86780980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1597}}^1$

素因数の和:1649

約数の個数: 96

約数和(自身を含む): 225509760

約数和(自身を除く): 138728780

約数列:

[1, 2, 4, 5, 10, 11, 13, 19, 20, 22, 26, 38, 44, 52, 55, 65, 76, 95, 110, 130, 143, 190, 209, 220, 247, 260, 286, 380, 418, 494, 572, 715, 836, 988, 1045, 1235, 1430, 1597, 2090, 2470, 2717, 2860, 3194, 4180, 4940, 5434, 6388, 7985, 10868, 13585, 15970, 17567, 20761, 27170, 30343, 31940, 35134, 41522, 54340, 60686, 70268, 83044, 87835, 103805, 121372, 151715, 175670, 207610, 228371, 303430, 333773, 351340, 394459, 415220, 456742, 606860, 667546, 788918, 913484, 1141855, 1335092, 1577836, 1668865, 1972295, 2283710, 3337730, 3944590, 4339049, 4567420, 6675460, 7889180, 8678098, 17356196, 21695245, 43390490, 86780980]

約数ペア:

[(1, 86780980), (2, 43390490), (4, 21695245), (5, 17356196), (10, 8678098), (11, 7889180), (13, 6675460), (19, 4567420), (20, 4339049), (22, 3944590), (26, 3337730), (38, 2283710), (44, 1972295), (52, 1668865), (55, 1577836), (65, 1335092), (76, 1141855), (95, 913484), (110, 788918), (130, 667546), (143, 606860), (190, 456742), (209, 415220), (220, 394459), (247, 351340), (260, 333773), (286, 303430), (380, 228371), (418, 207610), (494, 175670), (572, 151715), (715, 121372), (836, 103805), (988, 87835), (1045, 83044), (1235, 70268), (1430, 60686), (1597, 54340), (2090, 41522), (2470, 35134), (2717, 31940), (2860, 30343), (3194, 27170), (4180, 20761), (4940, 17567), (5434, 15970), (6388, 13585), (7985, 10868)]