30109680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 240

約数和(自身を含む): 111421440

約数和(自身を除く): 81311760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 31, 36, 38, 40, 45, 48, 57, 60, 62, 71, 72, 76, 80, 90, 93, 95, 114, 120, 124, 142, 144, 152, 155, 171, 180, 186, 190, 213, 228, 240, 248, 279, 284, 285, 304, 310, 342, 355, 360, 372, 380, 426, 456, 465, 496, 558, 568, 570, 589, 620, 639, 684, 710, 720, 744, 760, 852, 855, 912, 930, 1065, 1116, 1136, 1140, 1178, 1240, 1278, 1349, 1368, 1395, 1420, 1488, 1520, 1704, 1710, 1767, 1860, 2130, 2201, 2232, 2280, 2356, 2480, 2556, 2698, 2736, 2790, 2840, 2945, 3195, 3408, 3420, 3534, 3720, 4047, 4260, 4402, 4464, 4560, 4712, 5112, 5301, 5396, 5580, 5680, 5890, 6390, 6603, 6745, 6840, 7068, 7440, 8094, 8520, 8804, 8835, 9424, 10224, 10602, 10792, 11005, 11160, 11780, 12141, 12780, 13206, 13490, 13680, 14136, 16188, 17040, 17608, 17670, 19809, 20235, 21204, 21584, 22010, 22320, 23560, 24282, 25560, 26412, 26505, 26980, 28272, 32376, 33015, 35216, 35340, 39618, 40470, 41819, 42408, 44020, 47120, 48564, 51120, 52824, 53010, 53960, 60705, 64752, 66030, 70680, 79236, 80940, 83638, 84816, 88040, 97128, 99045, 105648, 106020, 107920, 121410, 125457, 132060, 141360, 158472, 161880, 167276, 176080, 194256, 198090, 209095, 212040, 242820, 250914, 264120, 316944, 323760, 334552, 376371, 396180, 418190, 424080, 485640, 501828, 528240, 627285, 669104, 752742, 792360, 836380, 971280, 1003656, 1254570, 1505484, 1584720, 1672760, 1881855, 2007312, 2509140, 3010968, 3345520, 3763710, 5018280, 6021936, 7527420, 10036560, 15054840, 30109680]

約数ペア:

[(1, 30109680), (2, 15054840), (3, 10036560), (4, 7527420), (5, 6021936), (6, 5018280), (8, 3763710), (9, 3345520), (10, 3010968), (12, 2509140), (15, 2007312), (16, 1881855), (18, 1672760), (19, 1584720), (20, 1505484), (24, 1254570), (30, 1003656), (31, 971280), (36, 836380), (38, 792360), (40, 752742), (45, 669104), (48, 627285), (57, 528240), (60, 501828), (62, 485640), (71, 424080), (72, 418190), (76, 396180), (80, 376371), (90, 334552), (93, 323760), (95, 316944), (114, 264120), (120, 250914), (124, 242820), (142, 212040), (144, 209095), (152, 198090), (155, 194256), (171, 176080), (180, 167276), (186, 161880), (190, 158472), (213, 141360), (228, 132060), (240, 125457), (248, 121410), (279, 107920), (284, 106020), (285, 105648), (304, 99045), (310, 97128), (342, 88040), (355, 84816), (360, 83638), (372, 80940), (380, 79236), (426, 70680), (456, 66030), (465, 64752), (496, 60705), (558, 53960), (568, 53010), (570, 52824), (589, 51120), (620, 48564), (639, 47120), (684, 44020), (710, 42408), (720, 41819), (744, 40470), (760, 39618), (852, 35340), (855, 35216), (912, 33015), (930, 32376), (1065, 28272), (1116, 26980), (1136, 26505), (1140, 26412), (1178, 25560), (1240, 24282), (1278, 23560), (1349, 22320), (1368, 22010), (1395, 21584), (1420, 21204), (1488, 20235), (1520, 19809), (1704, 17670), (1710, 17608), (1767, 17040), (1860, 16188), (2130, 14136), (2201, 13680), (2232, 13490), (2280, 13206), (2356, 12780), (2480, 12141), (2556, 11780), (2698, 11160), (2736, 11005), (2790, 10792), (2840, 10602), (2945, 10224), (3195, 9424), (3408, 8835), (3420, 8804), (3534, 8520), (3720, 8094), (4047, 7440), (4260, 7068), (4402, 6840), (4464, 6745), (4560, 6603), (4712, 6390), (5112, 5890), (5301, 5680), (5396, 5580)]