15197440

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 37675008

約数和(自身を除く): 22477568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 383, 496, 620, 640, 766, 992, 1240, 1280, 1532, 1915, 1984, 2480, 3064, 3830, 3968, 4960, 6128, 7660, 7936, 9920, 11873, 12256, 15320, 19840, 23746, 24512, 30640, 39680, 47492, 49024, 59365, 61280, 94984, 98048, 118730, 122560, 189968, 237460, 245120, 379936, 474920, 490240, 759872, 949840, 1519744, 1899680, 3039488, 3799360, 7598720, 15197440]

約数ペア:

[(1, 15197440), (2, 7598720), (4, 3799360), (5, 3039488), (8, 1899680), (10, 1519744), (16, 949840), (20, 759872), (31, 490240), (32, 474920), (40, 379936), (62, 245120), (64, 237460), (80, 189968), (124, 122560), (128, 118730), (155, 98048), (160, 94984), (248, 61280), (256, 59365), (310, 49024), (320, 47492), (383, 39680), (496, 30640), (620, 24512), (640, 23746), (766, 19840), (992, 15320), (1240, 12256), (1280, 11873), (1532, 9920), (1915, 7936), (1984, 7660), (2480, 6128), (3064, 4960), (3830, 3968)]