1800480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1$

素因数の和:71

約数の個数: 144

約数和(自身を含む): 6435072

約数和(自身を除く): 4634592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 32, 33, 40, 44, 48, 55, 60, 62, 66, 80, 88, 93, 96, 110, 120, 121, 124, 132, 155, 160, 165, 176, 186, 220, 240, 242, 248, 264, 310, 330, 341, 352, 363, 372, 440, 465, 480, 484, 496, 528, 605, 620, 660, 682, 726, 744, 880, 930, 968, 992, 1023, 1056, 1210, 1240, 1320, 1364, 1452, 1488, 1705, 1760, 1815, 1860, 1936, 2046, 2420, 2480, 2640, 2728, 2904, 2976, 3410, 3630, 3720, 3751, 3872, 4092, 4840, 4960, 5115, 5280, 5456, 5808, 6820, 7260, 7440, 7502, 8184, 9680, 10230, 10912, 11253, 11616, 13640, 14520, 14880, 15004, 16368, 18755, 19360, 20460, 22506, 27280, 29040, 30008, 32736, 37510, 40920, 45012, 54560, 56265, 58080, 60016, 75020, 81840, 90024, 112530, 120032, 150040, 163680, 180048, 225060, 300080, 360096, 450120, 600160, 900240, 1800480]

約数ペア:

[(1, 1800480), (2, 900240), (3, 600160), (4, 450120), (5, 360096), (6, 300080), (8, 225060), (10, 180048), (11, 163680), (12, 150040), (15, 120032), (16, 112530), (20, 90024), (22, 81840), (24, 75020), (30, 60016), (31, 58080), (32, 56265), (33, 54560), (40, 45012), (44, 40920), (48, 37510), (55, 32736), (60, 30008), (62, 29040), (66, 27280), (80, 22506), (88, 20460), (93, 19360), (96, 18755), (110, 16368), (120, 15004), (121, 14880), (124, 14520), (132, 13640), (155, 11616), (160, 11253), (165, 10912), (176, 10230), (186, 9680), (220, 8184), (240, 7502), (242, 7440), (248, 7260), (264, 6820), (310, 5808), (330, 5456), (341, 5280), (352, 5115), (363, 4960), (372, 4840), (440, 4092), (465, 3872), (480, 3751), (484, 3720), (496, 3630), (528, 3410), (605, 2976), (620, 2904), (660, 2728), (682, 2640), (726, 2480), (744, 2420), (880, 2046), (930, 1936), (968, 1860), (992, 1815), (1023, 1760), (1056, 1705), (1210, 1488), (1240, 1452), (1320, 1364)]