1556214880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{2593}}^1$

素因数の和:2661

約数の個数: 144

約数和(自身を含む): 4173144192

約数和(自身を除く): 2616929312

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, 968, 992, 1210, 1240, 1364, 1705, 1760, 1936, 2420, 2480, 2593, 2728, 3410, 3751, 3872, 4840, 4960, 5186, 5456, 6820, 7502, 9680, 10372, 10912, 12965, 13640, 15004, 18755, 19360, 20744, 25930, 27280, 28523, 30008, 37510, 41488, 51860, 54560, 57046, 60016, 75020, 80383, 82976, 103720, 114092, 120032, 142615, 150040, 160766, 207440, 228184, 285230, 300080, 313753, 321532, 401915, 414880, 456368, 570460, 600160, 627506, 643064, 803830, 884213, 912736, 1140920, 1255012, 1286128, 1568765, 1607660, 1768426, 2281840, 2510024, 2572256, 3137530, 3215320, 3536852, 4421065, 4563680, 5020048, 6275060, 6430640, 7073704, 8842130, 9726343, 10040096, 12550120, 12861280, 14147408, 17684260, 19452686, 25100240, 28294816, 35368520, 38905372, 48631715, 50200480, 70737040, 77810744, 97263430, 141474080, 155621488, 194526860, 311242976, 389053720, 778107440, 1556214880]

約数ペア:

[(1, 1556214880), (2, 778107440), (4, 389053720), (5, 311242976), (8, 194526860), (10, 155621488), (11, 141474080), (16, 97263430), (20, 77810744), (22, 70737040), (31, 50200480), (32, 48631715), (40, 38905372), (44, 35368520), (55, 28294816), (62, 25100240), (80, 19452686), (88, 17684260), (110, 14147408), (121, 12861280), (124, 12550120), (155, 10040096), (160, 9726343), (176, 8842130), (220, 7073704), (242, 6430640), (248, 6275060), (310, 5020048), (341, 4563680), (352, 4421065), (440, 3536852), (484, 3215320), (496, 3137530), (605, 2572256), (620, 2510024), (682, 2281840), (880, 1768426), (968, 1607660), (992, 1568765), (1210, 1286128), (1240, 1255012), (1364, 1140920), (1705, 912736), (1760, 884213), (1936, 803830), (2420, 643064), (2480, 627506), (2593, 600160), (2728, 570460), (3410, 456368), (3751, 414880), (3872, 401915), (4840, 321532), (4960, 313753), (5186, 300080), (5456, 285230), (6820, 228184), (7502, 207440), (9680, 160766), (10372, 150040), (10912, 142615), (12965, 120032), (13640, 114092), (15004, 103720), (18755, 82976), (19360, 80383), (20744, 75020), (25930, 60016), (27280, 57046), (28523, 54560), (30008, 51860), (37510, 41488)]