215677980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{10069}}^1$

素因数の和:10108

約数の個数: 144

約数和(自身を含む): 791743680

約数和(自身を除く): 576065700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3570, 4284, 5355, 7140, 10069, 10710, 20138, 21420, 30207, 40276, 50345, 60414, 70483, 90621, 100690, 120828, 140966, 151035, 171173, 181242, 201380, 211449, 281932, 302070, 342346, 352415, 362484, 422898, 453105, 513519, 604140, 634347, 684692, 704830, 845796, 855865, 906210, 1027038, 1057245, 1198211, 1268694, 1409660, 1540557, 1711730, 1812420, 2054076, 2114490, 2396422, 2537388, 2567595, 3081114, 3171735, 3423460, 3594633, 4228980, 4792844, 5135190, 5991055, 6162228, 6343470, 7189266, 7702785, 10270380, 10783899, 11982110, 12686940, 14378532, 15405570, 17973165, 21567798, 23964220, 30811140, 35946330, 43135596, 53919495, 71892660, 107838990, 215677980]

約数ペア:

[(1, 215677980), (2, 107838990), (3, 71892660), (4, 53919495), (5, 43135596), (6, 35946330), (7, 30811140), (9, 23964220), (10, 21567798), (12, 17973165), (14, 15405570), (15, 14378532), (17, 12686940), (18, 11982110), (20, 10783899), (21, 10270380), (28, 7702785), (30, 7189266), (34, 6343470), (35, 6162228), (36, 5991055), (42, 5135190), (45, 4792844), (51, 4228980), (60, 3594633), (63, 3423460), (68, 3171735), (70, 3081114), (84, 2567595), (85, 2537388), (90, 2396422), (102, 2114490), (105, 2054076), (119, 1812420), (126, 1711730), (140, 1540557), (153, 1409660), (170, 1268694), (180, 1198211), (204, 1057245), (210, 1027038), (238, 906210), (252, 855865), (255, 845796), (306, 704830), (315, 684692), (340, 634347), (357, 604140), (420, 513519), (476, 453105), (510, 422898), (595, 362484), (612, 352415), (630, 342346), (714, 302070), (765, 281932), (1020, 211449), (1071, 201380), (1190, 181242), (1260, 171173), (1428, 151035), (1530, 140966), (1785, 120828), (2142, 100690), (2380, 90621), (3060, 70483), (3570, 60414), (4284, 50345), (5355, 40276), (7140, 30207), (10069, 21420), (10710, 20138)]