30258480

素因数分解:

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

素因数の和:144

約数の個数: 240

約数和(自身を含む): 113992704

約数和(自身を除く): 83734224

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, 49, 56, 60, 62, 70, 80, 83, 84, 93, 98, 105, 112, 120, 124, 140, 147, 155, 166, 168, 186, 196, 210, 217, 240, 245, 248, 249, 280, 294, 310, 332, 336, 372, 392, 415, 420, 434, 465, 490, 496, 498, 560, 581, 588, 620, 651, 664, 735, 744, 784, 830, 840, 868, 930, 980, 996, 1085, 1162, 1176, 1240, 1245, 1302, 1328, 1470, 1488, 1519, 1660, 1680, 1736, 1743, 1860, 1960, 1992, 2170, 2324, 2352, 2480, 2490, 2573, 2604, 2905, 2940, 3038, 3255, 3320, 3472, 3486, 3720, 3920, 3984, 4067, 4340, 4557, 4648, 4980, 5146, 5208, 5810, 5880, 6076, 6510, 6640, 6972, 7440, 7595, 7719, 8134, 8680, 8715, 9114, 9296, 9960, 10292, 10416, 11620, 11760, 12152, 12201, 12865, 13020, 13944, 15190, 15438, 16268, 17360, 17430, 18011, 18228, 19920, 20335, 20584, 22785, 23240, 24304, 24402, 25730, 26040, 27888, 30380, 30876, 32536, 34860, 36022, 36456, 38595, 40670, 41168, 45570, 46480, 48804, 51460, 52080, 54033, 60760, 61005, 61752, 65072, 69720, 72044, 72912, 77190, 81340, 90055, 91140, 97608, 102920, 108066, 121520, 122010, 123504, 126077, 139440, 144088, 154380, 162680, 180110, 182280, 195216, 205840, 216132, 244020, 252154, 270165, 288176, 308760, 325360, 360220, 364560, 378231, 432264, 488040, 504308, 540330, 617520, 630385, 720440, 756462, 864528, 976080, 1008616, 1080660, 1260770, 1440880, 1512924, 1891155, 2017232, 2161320, 2521540, 3025848, 3782310, 4322640, 5043080, 6051696, 7564620, 10086160, 15129240, 30258480]

約数ペア:

[(1, 30258480), (2, 15129240), (3, 10086160), (4, 7564620), (5, 6051696), (6, 5043080), (7, 4322640), (8, 3782310), (10, 3025848), (12, 2521540), (14, 2161320), (15, 2017232), (16, 1891155), (20, 1512924), (21, 1440880), (24, 1260770), (28, 1080660), (30, 1008616), (31, 976080), (35, 864528), (40, 756462), (42, 720440), (48, 630385), (49, 617520), (56, 540330), (60, 504308), (62, 488040), (70, 432264), (80, 378231), (83, 364560), (84, 360220), (93, 325360), (98, 308760), (105, 288176), (112, 270165), (120, 252154), (124, 244020), (140, 216132), (147, 205840), (155, 195216), (166, 182280), (168, 180110), (186, 162680), (196, 154380), (210, 144088), (217, 139440), (240, 126077), (245, 123504), (248, 122010), (249, 121520), (280, 108066), (294, 102920), (310, 97608), (332, 91140), (336, 90055), (372, 81340), (392, 77190), (415, 72912), (420, 72044), (434, 69720), (465, 65072), (490, 61752), (496, 61005), (498, 60760), (560, 54033), (581, 52080), (588, 51460), (620, 48804), (651, 46480), (664, 45570), (735, 41168), (744, 40670), (784, 38595), (830, 36456), (840, 36022), (868, 34860), (930, 32536), (980, 30876), (996, 30380), (1085, 27888), (1162, 26040), (1176, 25730), (1240, 24402), (1245, 24304), (1302, 23240), (1328, 22785), (1470, 20584), (1488, 20335), (1519, 19920), (1660, 18228), (1680, 18011), (1736, 17430), (1743, 17360), (1860, 16268), (1960, 15438), (1992, 15190), (2170, 13944), (2324, 13020), (2352, 12865), (2480, 12201), (2490, 12152), (2573, 11760), (2604, 11620), (2905, 10416), (2940, 10292), (3038, 9960), (3255, 9296), (3320, 9114), (3472, 8715), (3486, 8680), (3720, 8134), (3920, 7719), (3984, 7595), (4067, 7440), (4340, 6972), (4557, 6640), (4648, 6510), (4980, 6076), (5146, 5880), (5208, 5810)]