445231920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:240

約数の個数: 320

約数和(自身を含む): 1663893504

約数和(自身を除く): 1218661584

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 83, 84, 93, 103, 105, 112, 120, 124, 140, 155, 166, 168, 186, 206, 210, 217, 240, 248, 249, 280, 309, 310, 332, 336, 372, 412, 415, 420, 434, 465, 496, 498, 515, 560, 581, 618, 620, 651, 664, 721, 744, 824, 830, 840, 868, 930, 996, 1030, 1085, 1162, 1236, 1240, 1245, 1302, 1328, 1442, 1488, 1545, 1648, 1660, 1680, 1736, 1743, 1860, 1992, 2060, 2163, 2170, 2324, 2472, 2480, 2490, 2573, 2604, 2884, 2905, 3090, 3193, 3255, 3320, 3472, 3486, 3605, 3720, 3984, 4120, 4326, 4340, 4648, 4944, 4980, 5146, 5208, 5768, 5810, 6180, 6386, 6510, 6640, 6972, 7210, 7440, 7719, 8240, 8549, 8652, 8680, 8715, 9296, 9579, 9960, 10292, 10416, 10815, 11536, 11620, 12360, 12772, 12865, 13020, 13944, 14420, 15438, 15965, 17098, 17304, 17360, 17430, 18011, 19158, 19920, 20584, 21630, 22351, 23240, 24720, 25544, 25647, 25730, 26040, 27888, 28840, 30876, 31930, 34196, 34608, 34860, 36022, 38316, 38595, 41168, 42745, 43260, 44702, 46480, 47895, 51088, 51294, 51460, 52080, 54033, 57680, 59843, 61752, 63860, 67053, 68392, 69720, 72044, 76632, 77190, 85490, 86520, 89404, 90055, 95790, 102588, 102920, 108066, 111755, 119686, 123504, 127720, 128235, 134106, 136784, 139440, 144088, 153264, 154380, 170980, 173040, 178808, 179529, 180110, 191580, 205176, 205840, 216132, 223510, 239372, 255440, 256470, 265019, 268212, 270165, 288176, 299215, 308760, 335265, 341960, 357616, 359058, 360220, 383160, 410352, 432264, 447020, 478744, 512940, 530038, 536424, 540330, 598430, 617520, 670530, 683920, 718116, 720440, 766320, 795057, 864528, 894040, 897645, 957488, 1025880, 1060076, 1072848, 1080660, 1196860, 1325095, 1341060, 1436232, 1440880, 1590114, 1788080, 1795290, 1855133, 2051760, 2120152, 2161320, 2393720, 2650190, 2682120, 2872464, 3180228, 3590580, 3710266, 3975285, 4240304, 4322640, 4787440, 5300380, 5364240, 5565399, 6360456, 7181160, 7420532, 7950570, 9275665, 10600760, 11130798, 12720912, 14362320, 14841064, 15901140, 18551330, 21201520, 22261596, 27826995, 29682128, 31802280, 37102660, 44523192, 55653990, 63604560, 74205320, 89046384, 111307980, 148410640, 222615960, 445231920]

約数ペア:

[(1, 445231920), (2, 222615960), (3, 148410640), (4, 111307980), (5, 89046384), (6, 74205320), (7, 63604560), (8, 55653990), (10, 44523192), (12, 37102660), (14, 31802280), (15, 29682128), (16, 27826995), (20, 22261596), (21, 21201520), (24, 18551330), (28, 15901140), (30, 14841064), (31, 14362320), (35, 12720912), (40, 11130798), (42, 10600760), (48, 9275665), (56, 7950570), (60, 7420532), (62, 7181160), (70, 6360456), (80, 5565399), (83, 5364240), (84, 5300380), (93, 4787440), (103, 4322640), (105, 4240304), (112, 3975285), (120, 3710266), (124, 3590580), (140, 3180228), (155, 2872464), (166, 2682120), (168, 2650190), (186, 2393720), (206, 2161320), (210, 2120152), (217, 2051760), (240, 1855133), (248, 1795290), (249, 1788080), (280, 1590114), (309, 1440880), (310, 1436232), (332, 1341060), (336, 1325095), (372, 1196860), (412, 1080660), (415, 1072848), (420, 1060076), (434, 1025880), (465, 957488), (496, 897645), (498, 894040), (515, 864528), (560, 795057), (581, 766320), (618, 720440), (620, 718116), (651, 683920), (664, 670530), (721, 617520), (744, 598430), (824, 540330), (830, 536424), (840, 530038), (868, 512940), (930, 478744), (996, 447020), (1030, 432264), (1085, 410352), (1162, 383160), (1236, 360220), (1240, 359058), (1245, 357616), (1302, 341960), (1328, 335265), (1442, 308760), (1488, 299215), (1545, 288176), (1648, 270165), (1660, 268212), (1680, 265019), (1736, 256470), (1743, 255440), (1860, 239372), (1992, 223510), (2060, 216132), (2163, 205840), (2170, 205176), (2324, 191580), (2472, 180110), (2480, 179529), (2490, 178808), (2573, 173040), (2604, 170980), (2884, 154380), (2905, 153264), (3090, 144088), (3193, 139440), (3255, 136784), (3320, 134106), (3472, 128235), (3486, 127720), (3605, 123504), (3720, 119686), (3984, 111755), (4120, 108066), (4326, 102920), (4340, 102588), (4648, 95790), (4944, 90055), (4980, 89404), (5146, 86520), (5208, 85490), (5768, 77190), (5810, 76632), (6180, 72044), (6386, 69720), (6510, 68392), (6640, 67053), (6972, 63860), (7210, 61752), (7440, 59843), (7719, 57680), (8240, 54033), (8549, 52080), (8652, 51460), (8680, 51294), (8715, 51088), (9296, 47895), (9579, 46480), (9960, 44702), (10292, 43260), (10416, 42745), (10815, 41168), (11536, 38595), (11620, 38316), (12360, 36022), (12772, 34860), (12865, 34608), (13020, 34196), (13944, 31930), (14420, 30876), (15438, 28840), (15965, 27888), (17098, 26040), (17304, 25730), (17360, 25647), (17430, 25544), (18011, 24720), (19158, 23240), (19920, 22351), (20584, 21630)]