21763920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:157

約数の個数: 160

約数和(自身を含む): 72316800

約数和(自身を除く): 50552880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 53, 58, 59, 60, 80, 87, 106, 116, 118, 120, 145, 159, 174, 177, 212, 232, 236, 240, 265, 290, 295, 318, 348, 354, 424, 435, 464, 472, 530, 580, 590, 636, 696, 708, 795, 848, 870, 885, 944, 1060, 1160, 1180, 1272, 1392, 1416, 1537, 1590, 1711, 1740, 1770, 2120, 2320, 2360, 2544, 2832, 3074, 3127, 3180, 3422, 3480, 3540, 4240, 4611, 4720, 5133, 6148, 6254, 6360, 6844, 6960, 7080, 7685, 8555, 9222, 9381, 10266, 12296, 12508, 12720, 13688, 14160, 15370, 15635, 17110, 18444, 18762, 20532, 23055, 24592, 25016, 25665, 27376, 30740, 31270, 34220, 36888, 37524, 41064, 46110, 46905, 50032, 51330, 61480, 62540, 68440, 73776, 75048, 82128, 90683, 92220, 93810, 102660, 122960, 125080, 136880, 150096, 181366, 184440, 187620, 205320, 250160, 272049, 362732, 368880, 375240, 410640, 453415, 544098, 725464, 750480, 906830, 1088196, 1360245, 1450928, 1813660, 2176392, 2720490, 3627320, 4352784, 5440980, 7254640, 10881960, 21763920]

約数ペア:

[(1, 21763920), (2, 10881960), (3, 7254640), (4, 5440980), (5, 4352784), (6, 3627320), (8, 2720490), (10, 2176392), (12, 1813660), (15, 1450928), (16, 1360245), (20, 1088196), (24, 906830), (29, 750480), (30, 725464), (40, 544098), (48, 453415), (53, 410640), (58, 375240), (59, 368880), (60, 362732), (80, 272049), (87, 250160), (106, 205320), (116, 187620), (118, 184440), (120, 181366), (145, 150096), (159, 136880), (174, 125080), (177, 122960), (212, 102660), (232, 93810), (236, 92220), (240, 90683), (265, 82128), (290, 75048), (295, 73776), (318, 68440), (348, 62540), (354, 61480), (424, 51330), (435, 50032), (464, 46905), (472, 46110), (530, 41064), (580, 37524), (590, 36888), (636, 34220), (696, 31270), (708, 30740), (795, 27376), (848, 25665), (870, 25016), (885, 24592), (944, 23055), (1060, 20532), (1160, 18762), (1180, 18444), (1272, 17110), (1392, 15635), (1416, 15370), (1537, 14160), (1590, 13688), (1711, 12720), (1740, 12508), (1770, 12296), (2120, 10266), (2320, 9381), (2360, 9222), (2544, 8555), (2832, 7685), (3074, 7080), (3127, 6960), (3180, 6844), (3422, 6360), (3480, 6254), (3540, 6148), (4240, 5133), (4611, 4720)]