30975560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 88646400

約数和(自身を除く): 57670840

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 89, 110, 113, 140, 154, 178, 220, 226, 280, 308, 356, 385, 440, 445, 452, 565, 616, 623, 712, 770, 791, 890, 904, 979, 1130, 1243, 1246, 1540, 1582, 1780, 1958, 2260, 2486, 2492, 3080, 3115, 3164, 3560, 3916, 3955, 4520, 4895, 4972, 4984, 6215, 6230, 6328, 6853, 7832, 7910, 8701, 9790, 9944, 10057, 12430, 12460, 13706, 15820, 17402, 19580, 20114, 24860, 24920, 27412, 31640, 34265, 34804, 39160, 40228, 43505, 49720, 50285, 54824, 68530, 69608, 70399, 80456, 87010, 100570, 110627, 137060, 140798, 174020, 201140, 221254, 274120, 281596, 348040, 351995, 402280, 442508, 553135, 563192, 703990, 774389, 885016, 1106270, 1407980, 1548778, 2212540, 2815960, 3097556, 3871945, 4425080, 6195112, 7743890, 15487780, 30975560]

約数ペア:

[(1, 30975560), (2, 15487780), (4, 7743890), (5, 6195112), (7, 4425080), (8, 3871945), (10, 3097556), (11, 2815960), (14, 2212540), (20, 1548778), (22, 1407980), (28, 1106270), (35, 885016), (40, 774389), (44, 703990), (55, 563192), (56, 553135), (70, 442508), (77, 402280), (88, 351995), (89, 348040), (110, 281596), (113, 274120), (140, 221254), (154, 201140), (178, 174020), (220, 140798), (226, 137060), (280, 110627), (308, 100570), (356, 87010), (385, 80456), (440, 70399), (445, 69608), (452, 68530), (565, 54824), (616, 50285), (623, 49720), (712, 43505), (770, 40228), (791, 39160), (890, 34804), (904, 34265), (979, 31640), (1130, 27412), (1243, 24920), (1246, 24860), (1540, 20114), (1582, 19580), (1780, 17402), (1958, 15820), (2260, 13706), (2486, 12460), (2492, 12430), (3080, 10057), (3115, 9944), (3164, 9790), (3560, 8701), (3916, 7910), (3955, 7832), (4520, 6853), (4895, 6328), (4972, 6230), (4984, 6215)]