138619920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{12289}}^1$

素因数の和:12352

約数の個数: 80

約数和(自身を含む): 438900480

約数和(自身を除く): 300280560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 141, 188, 235, 240, 282, 376, 470, 564, 705, 752, 940, 1128, 1410, 1880, 2256, 2820, 3760, 5640, 11280, 12289, 24578, 36867, 49156, 61445, 73734, 98312, 122890, 147468, 184335, 196624, 245780, 294936, 368670, 491560, 577583, 589872, 737340, 983120, 1155166, 1474680, 1732749, 2310332, 2887915, 2949360, 3465498, 4620664, 5775830, 6930996, 8663745, 9241328, 11551660, 13861992, 17327490, 23103320, 27723984, 34654980, 46206640, 69309960, 138619920]

約数ペア:

[(1, 138619920), (2, 69309960), (3, 46206640), (4, 34654980), (5, 27723984), (6, 23103320), (8, 17327490), (10, 13861992), (12, 11551660), (15, 9241328), (16, 8663745), (20, 6930996), (24, 5775830), (30, 4620664), (40, 3465498), (47, 2949360), (48, 2887915), (60, 2310332), (80, 1732749), (94, 1474680), (120, 1155166), (141, 983120), (188, 737340), (235, 589872), (240, 577583), (282, 491560), (376, 368670), (470, 294936), (564, 245780), (705, 196624), (752, 184335), (940, 147468), (1128, 122890), (1410, 98312), (1880, 73734), (2256, 61445), (2820, 49156), (3760, 36867), (5640, 24578), (11280, 12289)]