30941820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1889}}^1$

素因数の和:1924

約数の個数: 144

約数和(自身を含む): 115577280

約数和(自身を除く): 84635460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 1889, 2340, 2730, 3276, 3778, 4095, 5460, 5667, 7556, 8190, 9445, 11334, 13223, 16380, 17001, 18890, 22668, 24557, 26446, 28335, 34002, 37780, 39669, 49114, 52892, 56670, 66115, 68004, 73671, 79338, 85005, 98228, 113340, 119007, 122785, 132230, 147342, 158676, 170010, 171899, 198345, 221013, 238014, 245570, 264460, 294684, 340020, 343798, 368355, 396690, 442026, 476028, 491140, 515697, 595035, 687596, 736710, 793380, 859495, 884052, 1031394, 1105065, 1190070, 1473420, 1547091, 1718990, 2062788, 2210130, 2380140, 2578485, 3094182, 3437980, 4420260, 5156970, 6188364, 7735455, 10313940, 15470910, 30941820]

約数ペア:

[(1, 30941820), (2, 15470910), (3, 10313940), (4, 7735455), (5, 6188364), (6, 5156970), (7, 4420260), (9, 3437980), (10, 3094182), (12, 2578485), (13, 2380140), (14, 2210130), (15, 2062788), (18, 1718990), (20, 1547091), (21, 1473420), (26, 1190070), (28, 1105065), (30, 1031394), (35, 884052), (36, 859495), (39, 793380), (42, 736710), (45, 687596), (52, 595035), (60, 515697), (63, 491140), (65, 476028), (70, 442026), (78, 396690), (84, 368355), (90, 343798), (91, 340020), (105, 294684), (117, 264460), (126, 245570), (130, 238014), (140, 221013), (156, 198345), (180, 171899), (182, 170010), (195, 158676), (210, 147342), (234, 132230), (252, 122785), (260, 119007), (273, 113340), (315, 98228), (364, 85005), (390, 79338), (420, 73671), (455, 68004), (468, 66115), (546, 56670), (585, 52892), (630, 49114), (780, 39669), (819, 37780), (910, 34002), (1092, 28335), (1170, 26446), (1260, 24557), (1365, 22668), (1638, 18890), (1820, 17001), (1889, 16380), (2340, 13223), (2730, 11334), (3276, 9445), (3778, 8190), (4095, 7556), (5460, 5667)]