261091920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1847}}^1$

素因数の和:1913

約数の個数: 160

約数和(自身を含む): 879943680

約数和(自身を除く): 618851760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 38, 40, 48, 57, 60, 62, 76, 80, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 240, 248, 285, 304, 310, 372, 380, 456, 465, 496, 570, 589, 620, 744, 760, 912, 930, 1140, 1178, 1240, 1488, 1520, 1767, 1847, 1860, 2280, 2356, 2480, 2945, 3534, 3694, 3720, 4560, 4712, 5541, 5890, 7068, 7388, 7440, 8835, 9235, 9424, 11082, 11780, 14136, 14776, 17670, 18470, 22164, 23560, 27705, 28272, 29552, 35093, 35340, 36940, 44328, 47120, 55410, 57257, 70186, 70680, 73880, 88656, 105279, 110820, 114514, 140372, 141360, 147760, 171771, 175465, 210558, 221640, 229028, 280744, 286285, 343542, 350930, 421116, 443280, 458056, 526395, 561488, 572570, 687084, 701860, 842232, 858855, 916112, 1052790, 1087883, 1145140, 1374168, 1403720, 1684464, 1717710, 2105580, 2175766, 2290280, 2748336, 2807440, 3263649, 3435420, 4211160, 4351532, 4580560, 5439415, 6527298, 6870840, 8422320, 8703064, 10878830, 13054596, 13741680, 16318245, 17406128, 21757660, 26109192, 32636490, 43515320, 52218384, 65272980, 87030640, 130545960, 261091920]

約数ペア:

[(1, 261091920), (2, 130545960), (3, 87030640), (4, 65272980), (5, 52218384), (6, 43515320), (8, 32636490), (10, 26109192), (12, 21757660), (15, 17406128), (16, 16318245), (19, 13741680), (20, 13054596), (24, 10878830), (30, 8703064), (31, 8422320), (38, 6870840), (40, 6527298), (48, 5439415), (57, 4580560), (60, 4351532), (62, 4211160), (76, 3435420), (80, 3263649), (93, 2807440), (95, 2748336), (114, 2290280), (120, 2175766), (124, 2105580), (152, 1717710), (155, 1684464), (186, 1403720), (190, 1374168), (228, 1145140), (240, 1087883), (248, 1052790), (285, 916112), (304, 858855), (310, 842232), (372, 701860), (380, 687084), (456, 572570), (465, 561488), (496, 526395), (570, 458056), (589, 443280), (620, 421116), (744, 350930), (760, 343542), (912, 286285), (930, 280744), (1140, 229028), (1178, 221640), (1240, 210558), (1488, 175465), (1520, 171771), (1767, 147760), (1847, 141360), (1860, 140372), (2280, 114514), (2356, 110820), (2480, 105279), (2945, 88656), (3534, 73880), (3694, 70680), (3720, 70186), (4560, 57257), (4712, 55410), (5541, 47120), (5890, 44328), (7068, 36940), (7388, 35340), (7440, 35093), (8835, 29552), (9235, 28272), (9424, 27705), (11082, 23560), (11780, 22164), (14136, 18470), (14776, 17670)]