221788680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{739}}^1$

素因数の和:855

約数の個数: 128

約数和(自身を含む): 693705600

約数和(自身を除く): 471916920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 61, 82, 120, 122, 123, 164, 183, 205, 244, 246, 305, 328, 366, 410, 488, 492, 610, 615, 732, 739, 820, 915, 984, 1220, 1230, 1464, 1478, 1640, 1830, 2217, 2440, 2460, 2501, 2956, 3660, 3695, 4434, 4920, 5002, 5912, 7320, 7390, 7503, 8868, 10004, 11085, 12505, 14780, 15006, 17736, 20008, 22170, 25010, 29560, 30012, 30299, 37515, 44340, 45079, 50020, 60024, 60598, 75030, 88680, 90158, 90897, 100040, 121196, 135237, 150060, 151495, 180316, 181794, 225395, 242392, 270474, 300120, 302990, 360632, 363588, 450790, 454485, 540948, 605980, 676185, 727176, 901580, 908970, 1081896, 1211960, 1352370, 1803160, 1817940, 1848239, 2704740, 3635880, 3696478, 5409480, 5544717, 7392956, 9241195, 11089434, 14785912, 18482390, 22178868, 27723585, 36964780, 44357736, 55447170, 73929560, 110894340, 221788680]

約数ペア:

[(1, 221788680), (2, 110894340), (3, 73929560), (4, 55447170), (5, 44357736), (6, 36964780), (8, 27723585), (10, 22178868), (12, 18482390), (15, 14785912), (20, 11089434), (24, 9241195), (30, 7392956), (40, 5544717), (41, 5409480), (60, 3696478), (61, 3635880), (82, 2704740), (120, 1848239), (122, 1817940), (123, 1803160), (164, 1352370), (183, 1211960), (205, 1081896), (244, 908970), (246, 901580), (305, 727176), (328, 676185), (366, 605980), (410, 540948), (488, 454485), (492, 450790), (610, 363588), (615, 360632), (732, 302990), (739, 300120), (820, 270474), (915, 242392), (984, 225395), (1220, 181794), (1230, 180316), (1464, 151495), (1478, 150060), (1640, 135237), (1830, 121196), (2217, 100040), (2440, 90897), (2460, 90158), (2501, 88680), (2956, 75030), (3660, 60598), (3695, 60024), (4434, 50020), (4920, 45079), (5002, 44340), (5912, 37515), (7320, 30299), (7390, 30012), (7503, 29560), (8868, 25010), (10004, 22170), (11085, 20008), (12505, 17736), (14780, 15006)]