15054840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 192

約数和(自身を含む): 53913600

約数和(自身を除く): 38858760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 31, 36, 38, 40, 45, 57, 60, 62, 71, 72, 76, 90, 93, 95, 114, 120, 124, 142, 152, 155, 171, 180, 186, 190, 213, 228, 248, 279, 284, 285, 310, 342, 355, 360, 372, 380, 426, 456, 465, 558, 568, 570, 589, 620, 639, 684, 710, 744, 760, 852, 855, 930, 1065, 1116, 1140, 1178, 1240, 1278, 1349, 1368, 1395, 1420, 1704, 1710, 1767, 1860, 2130, 2201, 2232, 2280, 2356, 2556, 2698, 2790, 2840, 2945, 3195, 3420, 3534, 3720, 4047, 4260, 4402, 4712, 5112, 5301, 5396, 5580, 5890, 6390, 6603, 6745, 6840, 7068, 8094, 8520, 8804, 8835, 10602, 10792, 11005, 11160, 11780, 12141, 12780, 13206, 13490, 14136, 16188, 17608, 17670, 19809, 20235, 21204, 22010, 23560, 24282, 25560, 26412, 26505, 26980, 32376, 33015, 35340, 39618, 40470, 41819, 42408, 44020, 48564, 52824, 53010, 53960, 60705, 66030, 70680, 79236, 80940, 83638, 88040, 97128, 99045, 106020, 121410, 125457, 132060, 158472, 161880, 167276, 198090, 209095, 212040, 242820, 250914, 264120, 334552, 376371, 396180, 418190, 485640, 501828, 627285, 752742, 792360, 836380, 1003656, 1254570, 1505484, 1672760, 1881855, 2509140, 3010968, 3763710, 5018280, 7527420, 15054840]

約数ペア:

[(1, 15054840), (2, 7527420), (3, 5018280), (4, 3763710), (5, 3010968), (6, 2509140), (8, 1881855), (9, 1672760), (10, 1505484), (12, 1254570), (15, 1003656), (18, 836380), (19, 792360), (20, 752742), (24, 627285), (30, 501828), (31, 485640), (36, 418190), (38, 396180), (40, 376371), (45, 334552), (57, 264120), (60, 250914), (62, 242820), (71, 212040), (72, 209095), (76, 198090), (90, 167276), (93, 161880), (95, 158472), (114, 132060), (120, 125457), (124, 121410), (142, 106020), (152, 99045), (155, 97128), (171, 88040), (180, 83638), (186, 80940), (190, 79236), (213, 70680), (228, 66030), (248, 60705), (279, 53960), (284, 53010), (285, 52824), (310, 48564), (342, 44020), (355, 42408), (360, 41819), (372, 40470), (380, 39618), (426, 35340), (456, 33015), (465, 32376), (558, 26980), (568, 26505), (570, 26412), (589, 25560), (620, 24282), (639, 23560), (684, 22010), (710, 21204), (744, 20235), (760, 19809), (852, 17670), (855, 17608), (930, 16188), (1065, 14136), (1116, 13490), (1140, 13206), (1178, 12780), (1240, 12141), (1278, 11780), (1349, 11160), (1368, 11005), (1395, 10792), (1420, 10602), (1704, 8835), (1710, 8804), (1767, 8520), (1860, 8094), (2130, 7068), (2201, 6840), (2232, 6745), (2280, 6603), (2356, 6390), (2556, 5890), (2698, 5580), (2790, 5396), (2840, 5301), (2945, 5112), (3195, 4712), (3420, 4402), (3534, 4260), (3720, 4047)]