72978360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:238

約数の個数: 256

約数和(自身を含む): 277724160

約数和(自身を除く): 204745800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 41, 42, 52, 56, 60, 65, 70, 78, 82, 84, 91, 104, 105, 120, 123, 130, 140, 156, 163, 164, 168, 182, 195, 205, 210, 246, 260, 273, 280, 287, 312, 326, 328, 364, 390, 410, 420, 455, 489, 492, 520, 533, 546, 574, 615, 652, 728, 780, 815, 820, 840, 861, 910, 978, 984, 1066, 1092, 1141, 1148, 1230, 1304, 1365, 1435, 1560, 1599, 1630, 1640, 1722, 1820, 1956, 2119, 2132, 2184, 2282, 2296, 2445, 2460, 2665, 2730, 2870, 3198, 3260, 3423, 3444, 3640, 3731, 3912, 4238, 4264, 4305, 4564, 4890, 4920, 5330, 5460, 5705, 5740, 6357, 6396, 6520, 6683, 6846, 6888, 7462, 7995, 8476, 8610, 9128, 9780, 10595, 10660, 10920, 11193, 11410, 11480, 12714, 12792, 13366, 13692, 14833, 14924, 15990, 16952, 17115, 17220, 18655, 19560, 20049, 21190, 21320, 22386, 22820, 25428, 26732, 27384, 29666, 29848, 31785, 31980, 33415, 34230, 34440, 37310, 40098, 42380, 44499, 44772, 45640, 46781, 50856, 53464, 55965, 59332, 63570, 63960, 66830, 68460, 74165, 74620, 80196, 84760, 86879, 88998, 89544, 93562, 100245, 111930, 118664, 127140, 133660, 136920, 140343, 148330, 149240, 160392, 173758, 177996, 187124, 200490, 222495, 223860, 233905, 254280, 260637, 267320, 280686, 296660, 347516, 355992, 374248, 400980, 434395, 444990, 447720, 467810, 521274, 561372, 593320, 608153, 695032, 701715, 801960, 868790, 889980, 935620, 1042548, 1122744, 1216306, 1303185, 1403430, 1737580, 1779960, 1824459, 1871240, 2085096, 2432612, 2606370, 2806860, 3040765, 3475160, 3648918, 4865224, 5212740, 5613720, 6081530, 7297836, 9122295, 10425480, 12163060, 14595672, 18244590, 24326120, 36489180, 72978360]

約数ペア:

[(1, 72978360), (2, 36489180), (3, 24326120), (4, 18244590), (5, 14595672), (6, 12163060), (7, 10425480), (8, 9122295), (10, 7297836), (12, 6081530), (13, 5613720), (14, 5212740), (15, 4865224), (20, 3648918), (21, 3475160), (24, 3040765), (26, 2806860), (28, 2606370), (30, 2432612), (35, 2085096), (39, 1871240), (40, 1824459), (41, 1779960), (42, 1737580), (52, 1403430), (56, 1303185), (60, 1216306), (65, 1122744), (70, 1042548), (78, 935620), (82, 889980), (84, 868790), (91, 801960), (104, 701715), (105, 695032), (120, 608153), (123, 593320), (130, 561372), (140, 521274), (156, 467810), (163, 447720), (164, 444990), (168, 434395), (182, 400980), (195, 374248), (205, 355992), (210, 347516), (246, 296660), (260, 280686), (273, 267320), (280, 260637), (287, 254280), (312, 233905), (326, 223860), (328, 222495), (364, 200490), (390, 187124), (410, 177996), (420, 173758), (455, 160392), (489, 149240), (492, 148330), (520, 140343), (533, 136920), (546, 133660), (574, 127140), (615, 118664), (652, 111930), (728, 100245), (780, 93562), (815, 89544), (820, 88998), (840, 86879), (861, 84760), (910, 80196), (978, 74620), (984, 74165), (1066, 68460), (1092, 66830), (1141, 63960), (1148, 63570), (1230, 59332), (1304, 55965), (1365, 53464), (1435, 50856), (1560, 46781), (1599, 45640), (1630, 44772), (1640, 44499), (1722, 42380), (1820, 40098), (1956, 37310), (2119, 34440), (2132, 34230), (2184, 33415), (2282, 31980), (2296, 31785), (2445, 29848), (2460, 29666), (2665, 27384), (2730, 26732), (2870, 25428), (3198, 22820), (3260, 22386), (3423, 21320), (3444, 21190), (3640, 20049), (3731, 19560), (3912, 18655), (4238, 17220), (4264, 17115), (4305, 16952), (4564, 15990), (4890, 14924), (4920, 14833), (5330, 13692), (5460, 13366), (5705, 12792), (5740, 12714), (6357, 11480), (6396, 11410), (6520, 11193), (6683, 10920), (6846, 10660), (6888, 10595), (7462, 9780), (7995, 9128), (8476, 8610)]