656575040

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:617

約数の個数: 168

約数和(自身を含む): 1777203456

約数和(自身を除く): 1120628416

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 121, 124, 155, 160, 176, 220, 242, 248, 310, 320, 341, 352, 440, 484, 496, 547, 605, 620, 682, 704, 880, 968, 992, 1094, 1210, 1240, 1364, 1705, 1760, 1936, 1984, 2188, 2420, 2480, 2728, 2735, 3410, 3520, 3751, 3872, 4376, 4840, 4960, 5456, 5470, 6017, 6820, 7502, 7744, 8752, 9680, 9920, 10912, 10940, 12034, 13640, 15004, 16957, 17504, 18755, 19360, 21824, 21880, 24068, 27280, 30008, 30085, 33914, 35008, 37510, 38720, 43760, 48136, 54560, 60016, 60170, 66187, 67828, 75020, 84785, 87520, 96272, 109120, 120032, 120340, 132374, 135656, 150040, 169570, 175040, 186527, 192544, 240064, 240680, 264748, 271312, 300080, 330935, 339140, 373054, 385088, 481360, 529496, 542624, 600160, 661870, 678280, 746108, 932635, 962720, 1058992, 1085248, 1200320, 1323740, 1356560, 1492216, 1865270, 1925440, 2051797, 2117984, 2647480, 2713120, 2984432, 3730540, 4103594, 4235968, 5294960, 5426240, 5968864, 7461080, 8207188, 10258985, 10589920, 11937728, 14922160, 16414376, 20517970, 21179840, 29844320, 32828752, 41035940, 59688640, 65657504, 82071880, 131315008, 164143760, 328287520, 656575040]

約数ペア:

[(1, 656575040), (2, 328287520), (4, 164143760), (5, 131315008), (8, 82071880), (10, 65657504), (11, 59688640), (16, 41035940), (20, 32828752), (22, 29844320), (31, 21179840), (32, 20517970), (40, 16414376), (44, 14922160), (55, 11937728), (62, 10589920), (64, 10258985), (80, 8207188), (88, 7461080), (110, 5968864), (121, 5426240), (124, 5294960), (155, 4235968), (160, 4103594), (176, 3730540), (220, 2984432), (242, 2713120), (248, 2647480), (310, 2117984), (320, 2051797), (341, 1925440), (352, 1865270), (440, 1492216), (484, 1356560), (496, 1323740), (547, 1200320), (605, 1085248), (620, 1058992), (682, 962720), (704, 932635), (880, 746108), (968, 678280), (992, 661870), (1094, 600160), (1210, 542624), (1240, 529496), (1364, 481360), (1705, 385088), (1760, 373054), (1936, 339140), (1984, 330935), (2188, 300080), (2420, 271312), (2480, 264748), (2728, 240680), (2735, 240064), (3410, 192544), (3520, 186527), (3751, 175040), (3872, 169570), (4376, 150040), (4840, 135656), (4960, 132374), (5456, 120340), (5470, 120032), (6017, 109120), (6820, 96272), (7502, 87520), (7744, 84785), (8752, 75020), (9680, 67828), (9920, 66187), (10912, 60170), (10940, 60016), (12034, 54560), (13640, 48136), (15004, 43760), (16957, 38720), (17504, 37510), (18755, 35008), (19360, 33914), (21824, 30085), (21880, 30008), (24068, 27280)]