890503520

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:301

約数の個数: 192

約数和(自身を含む): 2351462400

約数和(自身を除く): 1460958880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 59, 62, 68, 80, 85, 118, 124, 136, 155, 160, 170, 179, 236, 248, 272, 295, 310, 340, 358, 472, 496, 527, 544, 590, 620, 680, 716, 895, 944, 992, 1003, 1054, 1180, 1240, 1360, 1432, 1790, 1829, 1888, 2006, 2108, 2360, 2480, 2635, 2720, 2864, 3043, 3580, 3658, 4012, 4216, 4720, 4960, 5015, 5270, 5549, 5728, 6086, 7160, 7316, 8024, 8432, 9145, 9440, 10030, 10540, 10561, 11098, 12172, 14320, 14632, 15215, 16048, 16864, 18290, 20060, 21080, 21122, 22196, 24344, 27745, 28640, 29264, 30430, 31093, 32096, 36580, 40120, 42160, 42244, 44392, 48688, 52805, 55490, 58528, 60860, 62186, 73160, 80240, 84320, 84488, 88784, 94333, 97376, 105610, 110980, 121720, 124372, 146320, 155465, 160480, 168976, 177568, 179537, 188666, 211220, 221960, 243440, 248744, 292640, 310930, 327391, 337952, 359074, 377332, 422440, 443920, 471665, 486880, 497488, 621860, 654782, 718148, 754664, 844880, 887840, 897685, 943330, 994976, 1243720, 1309564, 1436296, 1509328, 1636955, 1689760, 1795370, 1886660, 2487440, 2619128, 2872592, 3018656, 3273910, 3590740, 3773320, 4974880, 5238256, 5565647, 5745184, 6547820, 7181480, 7546640, 10476512, 11131294, 13095640, 14362960, 15093280, 22262588, 26191280, 27828235, 28725920, 44525176, 52382560, 55656470, 89050352, 111312940, 178100704, 222625880, 445251760, 890503520]

約数ペア:

[(1, 890503520), (2, 445251760), (4, 222625880), (5, 178100704), (8, 111312940), (10, 89050352), (16, 55656470), (17, 52382560), (20, 44525176), (31, 28725920), (32, 27828235), (34, 26191280), (40, 22262588), (59, 15093280), (62, 14362960), (68, 13095640), (80, 11131294), (85, 10476512), (118, 7546640), (124, 7181480), (136, 6547820), (155, 5745184), (160, 5565647), (170, 5238256), (179, 4974880), (236, 3773320), (248, 3590740), (272, 3273910), (295, 3018656), (310, 2872592), (340, 2619128), (358, 2487440), (472, 1886660), (496, 1795370), (527, 1689760), (544, 1636955), (590, 1509328), (620, 1436296), (680, 1309564), (716, 1243720), (895, 994976), (944, 943330), (992, 897685), (1003, 887840), (1054, 844880), (1180, 754664), (1240, 718148), (1360, 654782), (1432, 621860), (1790, 497488), (1829, 486880), (1888, 471665), (2006, 443920), (2108, 422440), (2360, 377332), (2480, 359074), (2635, 337952), (2720, 327391), (2864, 310930), (3043, 292640), (3580, 248744), (3658, 243440), (4012, 221960), (4216, 211220), (4720, 188666), (4960, 179537), (5015, 177568), (5270, 168976), (5549, 160480), (5728, 155465), (6086, 146320), (7160, 124372), (7316, 121720), (8024, 110980), (8432, 105610), (9145, 97376), (9440, 94333), (10030, 88784), (10540, 84488), (10561, 84320), (11098, 80240), (12172, 73160), (14320, 62186), (14632, 60860), (15215, 58528), (16048, 55490), (16864, 52805), (18290, 48688), (20060, 44392), (21080, 42244), (21122, 42160), (22196, 40120), (24344, 36580), (27745, 32096), (28640, 31093), (29264, 30430)]