54921960

素因数分解:

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

素因数の和:180

約数の個数: 144

約数和(自身を含む): 185896620

約数和(自身を除く): 130974660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 60, 61, 72, 82, 90, 120, 122, 123, 164, 180, 183, 205, 244, 246, 305, 328, 360, 366, 369, 410, 488, 492, 549, 610, 615, 732, 738, 820, 915, 984, 1098, 1220, 1230, 1464, 1476, 1640, 1830, 1845, 2196, 2440, 2460, 2501, 2745, 2952, 3660, 3690, 3721, 4392, 4920, 5002, 5490, 7320, 7380, 7442, 7503, 10004, 10980, 11163, 12505, 14760, 14884, 15006, 18605, 20008, 21960, 22326, 22509, 25010, 29768, 30012, 33489, 37210, 37515, 44652, 45018, 50020, 55815, 60024, 66978, 74420, 75030, 89304, 90036, 100040, 111630, 112545, 133956, 148840, 150060, 152561, 167445, 180072, 223260, 225090, 267912, 300120, 305122, 334890, 446520, 450180, 457683, 610244, 669780, 762805, 900360, 915366, 1220488, 1339560, 1373049, 1525610, 1830732, 2288415, 2746098, 3051220, 3661464, 4576830, 5492196, 6102440, 6865245, 9153660, 10984392, 13730490, 18307320, 27460980, 54921960]

約数ペア:

[(1, 54921960), (2, 27460980), (3, 18307320), (4, 13730490), (5, 10984392), (6, 9153660), (8, 6865245), (9, 6102440), (10, 5492196), (12, 4576830), (15, 3661464), (18, 3051220), (20, 2746098), (24, 2288415), (30, 1830732), (36, 1525610), (40, 1373049), (41, 1339560), (45, 1220488), (60, 915366), (61, 900360), (72, 762805), (82, 669780), (90, 610244), (120, 457683), (122, 450180), (123, 446520), (164, 334890), (180, 305122), (183, 300120), (205, 267912), (244, 225090), (246, 223260), (305, 180072), (328, 167445), (360, 152561), (366, 150060), (369, 148840), (410, 133956), (488, 112545), (492, 111630), (549, 100040), (610, 90036), (615, 89304), (732, 75030), (738, 74420), (820, 66978), (915, 60024), (984, 55815), (1098, 50020), (1220, 45018), (1230, 44652), (1464, 37515), (1476, 37210), (1640, 33489), (1830, 30012), (1845, 29768), (2196, 25010), (2440, 22509), (2460, 22326), (2501, 21960), (2745, 20008), (2952, 18605), (3660, 15006), (3690, 14884), (3721, 14760), (4392, 12505), (4920, 11163), (5002, 10980), (5490, 10004), (7320, 7503), (7380, 7442)]