20070747480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1117}}^1\times {\mathrm{21391}}^1$

素因数の和:22529

約数の個数: 128

約数和(自身を含む): 68878817280

約数和(自身を除く): 48808069800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1117, 2234, 3351, 4468, 5585, 6702, 7819, 8936, 11170, 13404, 15638, 16755, 21391, 22340, 23457, 26808, 31276, 33510, 39095, 42782, 44680, 46914, 62552, 64173, 67020, 78190, 85564, 93828, 106955, 117285, 128346, 134040, 149737, 156380, 171128, 187656, 213910, 234570, 256692, 299474, 312760, 320865, 427820, 449211, 469140, 513384, 598948, 641730, 748685, 855640, 898422, 938280, 1197896, 1283460, 1497370, 1796844, 2246055, 2566920, 2994740, 3593688, 4492110, 5989480, 8984220, 17968440, 23893747, 47787494, 71681241, 95574988, 119468735, 143362482, 167256229, 191149976, 238937470, 286724964, 334512458, 358406205, 477874940, 501768687, 573449928, 669024916, 716812410, 836281145, 955749880, 1003537374, 1338049832, 1433624820, 1672562290, 2007074748, 2508843435, 2867249640, 3345124580, 4014149496, 5017686870, 6690249160, 10035373740, 20070747480]

約数ペア:

[(1, 20070747480), (2, 10035373740), (3, 6690249160), (4, 5017686870), (5, 4014149496), (6, 3345124580), (7, 2867249640), (8, 2508843435), (10, 2007074748), (12, 1672562290), (14, 1433624820), (15, 1338049832), (20, 1003537374), (21, 955749880), (24, 836281145), (28, 716812410), (30, 669024916), (35, 573449928), (40, 501768687), (42, 477874940), (56, 358406205), (60, 334512458), (70, 286724964), (84, 238937470), (105, 191149976), (120, 167256229), (140, 143362482), (168, 119468735), (210, 95574988), (280, 71681241), (420, 47787494), (840, 23893747), (1117, 17968440), (2234, 8984220), (3351, 5989480), (4468, 4492110), (5585, 3593688), (6702, 2994740), (7819, 2566920), (8936, 2246055), (11170, 1796844), (13404, 1497370), (15638, 1283460), (16755, 1197896), (21391, 938280), (22340, 898422), (23457, 855640), (26808, 748685), (31276, 641730), (33510, 598948), (39095, 513384), (42782, 469140), (44680, 449211), (46914, 427820), (62552, 320865), (64173, 312760), (67020, 299474), (78190, 256692), (85564, 234570), (93828, 213910), (106955, 187656), (117285, 171128), (128346, 156380), (134040, 149737)]