87309090

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:310

約数の個数: 160

約数和(自身を含む): 263450880

約数和(自身を除く): 176141790

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 41, 45, 54, 55, 66, 81, 82, 90, 99, 110, 123, 135, 162, 165, 198, 205, 239, 246, 270, 297, 330, 369, 405, 410, 451, 478, 495, 594, 615, 717, 738, 810, 891, 902, 990, 1107, 1195, 1230, 1353, 1434, 1485, 1782, 1845, 2151, 2214, 2255, 2390, 2629, 2706, 2970, 3321, 3585, 3690, 4059, 4302, 4455, 4510, 5258, 5535, 6453, 6642, 6765, 7170, 7887, 8118, 8910, 9799, 10755, 11070, 12177, 12906, 13145, 13530, 15774, 16605, 19359, 19598, 20295, 21510, 23661, 24354, 26290, 29397, 32265, 33210, 36531, 38718, 39435, 40590, 47322, 48995, 58794, 60885, 64530, 70983, 73062, 78870, 88191, 96795, 97990, 107789, 118305, 121770, 141966, 146985, 176382, 182655, 193590, 212949, 215578, 236610, 264573, 293970, 323367, 354915, 365310, 425898, 440955, 529146, 538945, 646734, 709830, 793719, 881910, 970101, 1064745, 1077890, 1322865, 1587438, 1616835, 1940202, 2129490, 2645730, 2910303, 3233670, 3968595, 4850505, 5820606, 7937190, 8730909, 9701010, 14551515, 17461818, 29103030, 43654545, 87309090]

約数ペア:

[(1, 87309090), (2, 43654545), (3, 29103030), (5, 17461818), (6, 14551515), (9, 9701010), (10, 8730909), (11, 7937190), (15, 5820606), (18, 4850505), (22, 3968595), (27, 3233670), (30, 2910303), (33, 2645730), (41, 2129490), (45, 1940202), (54, 1616835), (55, 1587438), (66, 1322865), (81, 1077890), (82, 1064745), (90, 970101), (99, 881910), (110, 793719), (123, 709830), (135, 646734), (162, 538945), (165, 529146), (198, 440955), (205, 425898), (239, 365310), (246, 354915), (270, 323367), (297, 293970), (330, 264573), (369, 236610), (405, 215578), (410, 212949), (451, 193590), (478, 182655), (495, 176382), (594, 146985), (615, 141966), (717, 121770), (738, 118305), (810, 107789), (891, 97990), (902, 96795), (990, 88191), (1107, 78870), (1195, 73062), (1230, 70983), (1353, 64530), (1434, 60885), (1485, 58794), (1782, 48995), (1845, 47322), (2151, 40590), (2214, 39435), (2255, 38718), (2390, 36531), (2629, 33210), (2706, 32265), (2970, 29397), (3321, 26290), (3585, 24354), (3690, 23661), (4059, 21510), (4302, 20295), (4455, 19598), (4510, 19359), (5258, 16605), (5535, 15774), (6453, 13530), (6642, 13145), (6765, 12906), (7170, 12177), (7887, 11070), (8118, 10755), (8910, 9799)]