180707450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1$

素因数の和:309

約数の個数: 144

約数和(自身を含む): 448846272

約数和(自身を除く): 268138822

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 25, 34, 35, 50, 55, 70, 77, 85, 110, 119, 121, 154, 170, 175, 187, 238, 242, 251, 275, 350, 374, 385, 425, 502, 550, 595, 605, 770, 847, 850, 935, 1190, 1210, 1255, 1309, 1694, 1757, 1870, 1925, 2057, 2510, 2618, 2761, 2975, 3025, 3514, 3850, 4114, 4235, 4267, 4675, 5522, 5950, 6050, 6275, 6545, 8470, 8534, 8785, 9350, 10285, 12550, 13090, 13805, 14399, 17570, 19327, 20570, 21175, 21335, 27610, 28798, 29869, 30371, 32725, 38654, 42350, 42670, 43925, 46937, 51425, 59738, 60742, 65450, 69025, 71995, 87850, 93874, 96635, 102850, 106675, 138050, 143990, 149345, 151855, 193270, 212597, 213350, 234685, 298690, 303710, 328559, 359975, 425194, 469370, 483175, 516307, 657118, 719950, 746725, 759275, 966350, 1032614, 1062985, 1173425, 1493450, 1518550, 1642795, 2125970, 2346850, 2581535, 3285590, 3614149, 5163070, 5314925, 7228298, 8213975, 10629850, 12907675, 16427950, 18070745, 25815350, 36141490, 90353725, 180707450]

約数ペア:

[(1, 180707450), (2, 90353725), (5, 36141490), (7, 25815350), (10, 18070745), (11, 16427950), (14, 12907675), (17, 10629850), (22, 8213975), (25, 7228298), (34, 5314925), (35, 5163070), (50, 3614149), (55, 3285590), (70, 2581535), (77, 2346850), (85, 2125970), (110, 1642795), (119, 1518550), (121, 1493450), (154, 1173425), (170, 1062985), (175, 1032614), (187, 966350), (238, 759275), (242, 746725), (251, 719950), (275, 657118), (350, 516307), (374, 483175), (385, 469370), (425, 425194), (502, 359975), (550, 328559), (595, 303710), (605, 298690), (770, 234685), (847, 213350), (850, 212597), (935, 193270), (1190, 151855), (1210, 149345), (1255, 143990), (1309, 138050), (1694, 106675), (1757, 102850), (1870, 96635), (1925, 93874), (2057, 87850), (2510, 71995), (2618, 69025), (2761, 65450), (2975, 60742), (3025, 59738), (3514, 51425), (3850, 46937), (4114, 43925), (4235, 42670), (4267, 42350), (4675, 38654), (5522, 32725), (5950, 30371), (6050, 29869), (6275, 28798), (6545, 27610), (8470, 21335), (8534, 21175), (8785, 20570), (9350, 19327), (10285, 17570), (12550, 14399), (13090, 13805)]