120865280

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1523}}^1$

素因数の和:1577

約数の個数: 80

約数和(自身を含む): 299337984

約数和(自身を除く): 178472704

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, 512, 620, 640, 992, 1240, 1280, 1523, 1984, 2480, 2560, 3046, 3968, 4960, 6092, 7615, 7936, 9920, 12184, 15230, 15872, 19840, 24368, 30460, 39680, 47213, 48736, 60920, 79360, 94426, 97472, 121840, 188852, 194944, 236065, 243680, 377704, 389888, 472130, 487360, 755408, 779776, 944260, 974720, 1510816, 1888520, 1949440, 3021632, 3777040, 3898880, 6043264, 7554080, 12086528, 15108160, 24173056, 30216320, 60432640, 120865280]

約数ペア:

[(1, 120865280), (2, 60432640), (4, 30216320), (5, 24173056), (8, 15108160), (10, 12086528), (16, 7554080), (20, 6043264), (31, 3898880), (32, 3777040), (40, 3021632), (62, 1949440), (64, 1888520), (80, 1510816), (124, 974720), (128, 944260), (155, 779776), (160, 755408), (248, 487360), (256, 472130), (310, 389888), (320, 377704), (496, 243680), (512, 236065), (620, 194944), (640, 188852), (992, 121840), (1240, 97472), (1280, 94426), (1523, 79360), (1984, 60920), (2480, 48736), (2560, 47213), (3046, 39680), (3968, 30460), (4960, 24368), (6092, 19840), (7615, 15872), (7936, 15230), (9920, 12184)]