15487780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 41368320

約数和(自身を除く): 25880540

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 89, 110, 113, 140, 154, 178, 220, 226, 308, 356, 385, 445, 452, 565, 623, 770, 791, 890, 979, 1130, 1243, 1246, 1540, 1582, 1780, 1958, 2260, 2486, 2492, 3115, 3164, 3916, 3955, 4895, 4972, 6215, 6230, 6853, 7910, 8701, 9790, 10057, 12430, 12460, 13706, 15820, 17402, 19580, 20114, 24860, 27412, 34265, 34804, 40228, 43505, 50285, 68530, 70399, 87010, 100570, 110627, 137060, 140798, 174020, 201140, 221254, 281596, 351995, 442508, 553135, 703990, 774389, 1106270, 1407980, 1548778, 2212540, 3097556, 3871945, 7743890, 15487780]

約数ペア:

[(1, 15487780), (2, 7743890), (4, 3871945), (5, 3097556), (7, 2212540), (10, 1548778), (11, 1407980), (14, 1106270), (20, 774389), (22, 703990), (28, 553135), (35, 442508), (44, 351995), (55, 281596), (70, 221254), (77, 201140), (89, 174020), (110, 140798), (113, 137060), (140, 110627), (154, 100570), (178, 87010), (220, 70399), (226, 68530), (308, 50285), (356, 43505), (385, 40228), (445, 34804), (452, 34265), (565, 27412), (623, 24860), (770, 20114), (791, 19580), (890, 17402), (979, 15820), (1130, 13706), (1243, 12460), (1246, 12430), (1540, 10057), (1582, 9790), (1780, 8701), (1958, 7910), (2260, 6853), (2486, 6230), (2492, 6215), (3115, 4972), (3164, 4895), (3916, 3955)]