912640

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:75

約数の個数: 72

約数和(自身を含む): 2354688

約数和(自身を除く): 1442048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 92, 115, 124, 128, 155, 160, 184, 230, 248, 256, 310, 320, 368, 460, 496, 620, 640, 713, 736, 920, 992, 1240, 1280, 1426, 1472, 1840, 1984, 2480, 2852, 2944, 3565, 3680, 3968, 4960, 5704, 5888, 7130, 7360, 7936, 9920, 11408, 14260, 14720, 19840, 22816, 28520, 29440, 39680, 45632, 57040, 91264, 114080, 182528, 228160, 456320, 912640]

約数ペア:

[(1, 912640), (2, 456320), (4, 228160), (5, 182528), (8, 114080), (10, 91264), (16, 57040), (20, 45632), (23, 39680), (31, 29440), (32, 28520), (40, 22816), (46, 19840), (62, 14720), (64, 14260), (80, 11408), (92, 9920), (115, 7936), (124, 7360), (128, 7130), (155, 5888), (160, 5704), (184, 4960), (230, 3968), (248, 3680), (256, 3565), (310, 2944), (320, 2852), (368, 2480), (460, 1984), (496, 1840), (620, 1472), (640, 1426), (713, 1280), (736, 1240), (920, 992)]