131940720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:208

約数の個数: 240

約数和(自身を含む): 470059200

約数和(自身を除く): 338118480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 60, 71, 72, 80, 87, 89, 90, 116, 120, 142, 144, 145, 174, 178, 180, 213, 232, 240, 261, 267, 284, 290, 348, 355, 356, 360, 426, 435, 445, 464, 522, 534, 568, 580, 639, 696, 710, 712, 720, 801, 852, 870, 890, 1044, 1065, 1068, 1136, 1160, 1278, 1305, 1335, 1392, 1420, 1424, 1602, 1704, 1740, 1780, 2059, 2088, 2130, 2136, 2320, 2556, 2581, 2610, 2670, 2840, 3195, 3204, 3408, 3480, 3560, 4005, 4118, 4176, 4260, 4272, 5112, 5162, 5220, 5340, 5680, 6177, 6319, 6390, 6408, 6960, 7120, 7743, 8010, 8236, 8520, 10224, 10295, 10324, 10440, 10680, 12354, 12638, 12780, 12816, 12905, 15486, 16020, 16472, 17040, 18531, 18957, 20590, 20648, 20880, 21360, 23229, 24708, 25276, 25560, 25810, 30885, 30972, 31595, 32040, 32944, 37062, 37914, 38715, 41180, 41296, 46458, 49416, 50552, 51120, 51620, 56871, 61770, 61944, 63190, 64080, 74124, 75828, 77430, 82360, 92655, 92916, 94785, 98832, 101104, 103240, 113742, 116145, 123540, 123888, 126380, 148248, 151656, 154860, 164720, 183251, 185310, 185832, 189570, 206480, 227484, 232290, 247080, 252760, 284355, 296496, 303312, 309720, 366502, 370620, 371664, 379140, 454968, 464580, 494160, 505520, 549753, 568710, 619440, 733004, 741240, 758280, 909936, 916255, 929160, 1099506, 1137420, 1466008, 1482480, 1516560, 1649259, 1832510, 1858320, 2199012, 2274840, 2748765, 2932016, 3298518, 3665020, 4398024, 4549680, 5497530, 6597036, 7330040, 8246295, 8796048, 10995060, 13194072, 14660080, 16492590, 21990120, 26388144, 32985180, 43980240, 65970360, 131940720]

約数ペア:

[(1, 131940720), (2, 65970360), (3, 43980240), (4, 32985180), (5, 26388144), (6, 21990120), (8, 16492590), (9, 14660080), (10, 13194072), (12, 10995060), (15, 8796048), (16, 8246295), (18, 7330040), (20, 6597036), (24, 5497530), (29, 4549680), (30, 4398024), (36, 3665020), (40, 3298518), (45, 2932016), (48, 2748765), (58, 2274840), (60, 2199012), (71, 1858320), (72, 1832510), (80, 1649259), (87, 1516560), (89, 1482480), (90, 1466008), (116, 1137420), (120, 1099506), (142, 929160), (144, 916255), (145, 909936), (174, 758280), (178, 741240), (180, 733004), (213, 619440), (232, 568710), (240, 549753), (261, 505520), (267, 494160), (284, 464580), (290, 454968), (348, 379140), (355, 371664), (356, 370620), (360, 366502), (426, 309720), (435, 303312), (445, 296496), (464, 284355), (522, 252760), (534, 247080), (568, 232290), (580, 227484), (639, 206480), (696, 189570), (710, 185832), (712, 185310), (720, 183251), (801, 164720), (852, 154860), (870, 151656), (890, 148248), (1044, 126380), (1065, 123888), (1068, 123540), (1136, 116145), (1160, 113742), (1278, 103240), (1305, 101104), (1335, 98832), (1392, 94785), (1420, 92916), (1424, 92655), (1602, 82360), (1704, 77430), (1740, 75828), (1780, 74124), (2059, 64080), (2088, 63190), (2130, 61944), (2136, 61770), (2320, 56871), (2556, 51620), (2581, 51120), (2610, 50552), (2670, 49416), (2840, 46458), (3195, 41296), (3204, 41180), (3408, 38715), (3480, 37914), (3560, 37062), (4005, 32944), (4118, 32040), (4176, 31595), (4260, 30972), (4272, 30885), (5112, 25810), (5162, 25560), (5220, 25276), (5340, 24708), (5680, 23229), (6177, 21360), (6319, 20880), (6390, 20648), (6408, 20590), (6960, 18957), (7120, 18531), (7743, 17040), (8010, 16472), (8236, 16020), (8520, 15486), (10224, 12905), (10295, 12816), (10324, 12780), (10440, 12638), (10680, 12354)]