210661120

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5309}}^1$

素因数の和:5361

約数の個数: 72

約数和(自身を含む): 520974720

約数和(自身を除く): 310313600

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, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 5309, 7936, 9920, 10618, 19840, 21236, 26545, 39680, 42472, 53090, 84944, 106180, 164579, 169888, 212360, 329158, 339776, 424720, 658316, 679552, 822895, 849440, 1316632, 1359104, 1645790, 1698880, 2633264, 3291580, 3397760, 5266528, 6583160, 6795520, 10533056, 13166320, 21066112, 26332640, 42132224, 52665280, 105330560, 210661120]

約数ペア:

[(1, 210661120), (2, 105330560), (4, 52665280), (5, 42132224), (8, 26332640), (10, 21066112), (16, 13166320), (20, 10533056), (31, 6795520), (32, 6583160), (40, 5266528), (62, 3397760), (64, 3291580), (80, 2633264), (124, 1698880), (128, 1645790), (155, 1359104), (160, 1316632), (248, 849440), (256, 822895), (310, 679552), (320, 658316), (496, 424720), (620, 339776), (640, 329158), (992, 212360), (1240, 169888), (1280, 164579), (1984, 106180), (2480, 84944), (3968, 53090), (4960, 42472), (5309, 39680), (7936, 26545), (9920, 21236), (10618, 19840)]