260001960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1889}}^1$

素因数の和:1971

約数の個数: 128

約数和(自身を含む): 827366400

約数和(自身を除く): 567364440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 37, 40, 60, 62, 74, 93, 111, 120, 124, 148, 155, 185, 186, 222, 248, 296, 310, 370, 372, 444, 465, 555, 620, 740, 744, 888, 930, 1110, 1147, 1240, 1480, 1860, 1889, 2220, 2294, 3441, 3720, 3778, 4440, 4588, 5667, 5735, 6882, 7556, 9176, 9445, 11334, 11470, 13764, 15112, 17205, 18890, 22668, 22940, 27528, 28335, 34410, 37780, 45336, 45880, 56670, 58559, 68820, 69893, 75560, 113340, 117118, 137640, 139786, 175677, 209679, 226680, 234236, 279572, 292795, 349465, 351354, 419358, 468472, 559144, 585590, 698930, 702708, 838716, 878385, 1048395, 1171180, 1397860, 1405416, 1677432, 1756770, 2096790, 2166683, 2342360, 2795720, 3513540, 4193580, 4333366, 6500049, 7027080, 8387160, 8666732, 10833415, 13000098, 17333464, 21666830, 26000196, 32500245, 43333660, 52000392, 65000490, 86667320, 130000980, 260001960]

約数ペア:

[(1, 260001960), (2, 130000980), (3, 86667320), (4, 65000490), (5, 52000392), (6, 43333660), (8, 32500245), (10, 26000196), (12, 21666830), (15, 17333464), (20, 13000098), (24, 10833415), (30, 8666732), (31, 8387160), (37, 7027080), (40, 6500049), (60, 4333366), (62, 4193580), (74, 3513540), (93, 2795720), (111, 2342360), (120, 2166683), (124, 2096790), (148, 1756770), (155, 1677432), (185, 1405416), (186, 1397860), (222, 1171180), (248, 1048395), (296, 878385), (310, 838716), (370, 702708), (372, 698930), (444, 585590), (465, 559144), (555, 468472), (620, 419358), (740, 351354), (744, 349465), (888, 292795), (930, 279572), (1110, 234236), (1147, 226680), (1240, 209679), (1480, 175677), (1860, 139786), (1889, 137640), (2220, 117118), (2294, 113340), (3441, 75560), (3720, 69893), (3778, 68820), (4440, 58559), (4588, 56670), (5667, 45880), (5735, 45336), (6882, 37780), (7556, 34410), (9176, 28335), (9445, 27528), (11334, 22940), (11470, 22668), (13764, 18890), (15112, 17205)]