2400640

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1$

素因数の和:72

約数の個数: 96

約数和(自身を含む): 6511680

約数和(自身を除く): 4111040

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, 128, 155, 160, 176, 220, 242, 248, 310, 320, 341, 352, 440, 484, 496, 605, 620, 640, 682, 704, 880, 968, 992, 1210, 1240, 1364, 1408, 1705, 1760, 1936, 1984, 2420, 2480, 2728, 3410, 3520, 3751, 3872, 3968, 4840, 4960, 5456, 6820, 7040, 7502, 7744, 9680, 9920, 10912, 13640, 15004, 15488, 18755, 19360, 19840, 21824, 27280, 30008, 37510, 38720, 43648, 54560, 60016, 75020, 77440, 109120, 120032, 150040, 218240, 240064, 300080, 480128, 600160, 1200320, 2400640]

約数ペア:

[(1, 2400640), (2, 1200320), (4, 600160), (5, 480128), (8, 300080), (10, 240064), (11, 218240), (16, 150040), (20, 120032), (22, 109120), (31, 77440), (32, 75020), (40, 60016), (44, 54560), (55, 43648), (62, 38720), (64, 37510), (80, 30008), (88, 27280), (110, 21824), (121, 19840), (124, 19360), (128, 18755), (155, 15488), (160, 15004), (176, 13640), (220, 10912), (242, 9920), (248, 9680), (310, 7744), (320, 7502), (341, 7040), (352, 6820), (440, 5456), (484, 4960), (496, 4840), (605, 3968), (620, 3872), (640, 3751), (682, 3520), (704, 3410), (880, 2728), (968, 2480), (992, 2420), (1210, 1984), (1240, 1936), (1364, 1760), (1408, 1705)]