277767160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:293

約数の個数: 128

約数和(自身を含む): 707097600

約数和(自身を除く): 429330440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 79, 88, 110, 122, 131, 158, 220, 244, 262, 305, 316, 395, 440, 488, 524, 610, 632, 655, 671, 790, 869, 1048, 1220, 1310, 1342, 1441, 1580, 1738, 2440, 2620, 2684, 2882, 3160, 3355, 3476, 4345, 4819, 5240, 5368, 5764, 6710, 6952, 7205, 7991, 8690, 9638, 10349, 11528, 13420, 14410, 15982, 17380, 19276, 20698, 24095, 26840, 28820, 31964, 34760, 38552, 39955, 41396, 48190, 51745, 53009, 57640, 63928, 79910, 82792, 87901, 96380, 103490, 106018, 113839, 159820, 175802, 192760, 206980, 212036, 227678, 265045, 319640, 351604, 413960, 424072, 439505, 455356, 530090, 569195, 631289, 703208, 879010, 910712, 1060180, 1138390, 1262578, 1758020, 2120360, 2276780, 2525156, 3156445, 3516040, 4553560, 5050312, 6312890, 6944179, 12625780, 13888358, 25251560, 27776716, 34720895, 55553432, 69441790, 138883580, 277767160]

約数ペア:

[(1, 277767160), (2, 138883580), (4, 69441790), (5, 55553432), (8, 34720895), (10, 27776716), (11, 25251560), (20, 13888358), (22, 12625780), (40, 6944179), (44, 6312890), (55, 5050312), (61, 4553560), (79, 3516040), (88, 3156445), (110, 2525156), (122, 2276780), (131, 2120360), (158, 1758020), (220, 1262578), (244, 1138390), (262, 1060180), (305, 910712), (316, 879010), (395, 703208), (440, 631289), (488, 569195), (524, 530090), (610, 455356), (632, 439505), (655, 424072), (671, 413960), (790, 351604), (869, 319640), (1048, 265045), (1220, 227678), (1310, 212036), (1342, 206980), (1441, 192760), (1580, 175802), (1738, 159820), (2440, 113839), (2620, 106018), (2684, 103490), (2882, 96380), (3160, 87901), (3355, 82792), (3476, 79910), (4345, 63928), (4819, 57640), (5240, 53009), (5368, 51745), (5764, 48190), (6710, 41396), (6952, 39955), (7205, 38552), (7991, 34760), (8690, 31964), (9638, 28820), (10349, 26840), (11528, 24095), (13420, 20698), (14410, 19276), (15982, 17380)]