551547040

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:987

約数の個数: 144

約数和(自身を含む): 1480066560

約数和(自身を除く): 928519520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 88, 110, 121, 124, 155, 160, 176, 220, 242, 248, 310, 341, 352, 440, 484, 496, 605, 620, 682, 880, 919, 968, 992, 1210, 1240, 1364, 1705, 1760, 1838, 1936, 2420, 2480, 2728, 3410, 3676, 3751, 3872, 4595, 4840, 4960, 5456, 6820, 7352, 7502, 9190, 9680, 10109, 10912, 13640, 14704, 15004, 18380, 18755, 19360, 20218, 27280, 28489, 29408, 30008, 36760, 37510, 40436, 50545, 54560, 56978, 60016, 73520, 75020, 80872, 101090, 111199, 113956, 120032, 142445, 147040, 150040, 161744, 202180, 222398, 227912, 284890, 300080, 313379, 323488, 404360, 444796, 455824, 555995, 569780, 600160, 626758, 808720, 889592, 911648, 1111990, 1139560, 1253516, 1566895, 1617440, 1779184, 2223980, 2279120, 2507032, 3133790, 3447169, 3558368, 4447960, 4558240, 5014064, 6267580, 6894338, 8895920, 10028128, 12535160, 13788676, 17235845, 17791840, 25070320, 27577352, 34471690, 50140640, 55154704, 68943380, 110309408, 137886760, 275773520, 551547040]

約数ペア:

[(1, 551547040), (2, 275773520), (4, 137886760), (5, 110309408), (8, 68943380), (10, 55154704), (11, 50140640), (16, 34471690), (20, 27577352), (22, 25070320), (31, 17791840), (32, 17235845), (40, 13788676), (44, 12535160), (55, 10028128), (62, 8895920), (80, 6894338), (88, 6267580), (110, 5014064), (121, 4558240), (124, 4447960), (155, 3558368), (160, 3447169), (176, 3133790), (220, 2507032), (242, 2279120), (248, 2223980), (310, 1779184), (341, 1617440), (352, 1566895), (440, 1253516), (484, 1139560), (496, 1111990), (605, 911648), (620, 889592), (682, 808720), (880, 626758), (919, 600160), (968, 569780), (992, 555995), (1210, 455824), (1240, 444796), (1364, 404360), (1705, 323488), (1760, 313379), (1838, 300080), (1936, 284890), (2420, 227912), (2480, 222398), (2728, 202180), (3410, 161744), (3676, 150040), (3751, 147040), (3872, 142445), (4595, 120032), (4840, 113956), (4960, 111199), (5456, 101090), (6820, 80872), (7352, 75020), (7502, 73520), (9190, 60016), (9680, 56978), (10109, 54560), (10912, 50545), (13640, 40436), (14704, 37510), (15004, 36760), (18380, 30008), (18755, 29408), (19360, 28489), (20218, 27280)]