61027840

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:823

約数の個数: 80

約数和(自身を含む): 151240320

約数和(自身を除く): 90212480

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, 769, 992, 1240, 1280, 1538, 1984, 2480, 2560, 3076, 3845, 3968, 4960, 6152, 7690, 7936, 9920, 12304, 15380, 15872, 19840, 23839, 24608, 30760, 39680, 47678, 49216, 61520, 79360, 95356, 98432, 119195, 123040, 190712, 196864, 238390, 246080, 381424, 393728, 476780, 492160, 762848, 953560, 984320, 1525696, 1907120, 1968640, 3051392, 3814240, 6102784, 7628480, 12205568, 15256960, 30513920, 61027840]

約数ペア:

[(1, 61027840), (2, 30513920), (4, 15256960), (5, 12205568), (8, 7628480), (10, 6102784), (16, 3814240), (20, 3051392), (31, 1968640), (32, 1907120), (40, 1525696), (62, 984320), (64, 953560), (80, 762848), (124, 492160), (128, 476780), (155, 393728), (160, 381424), (248, 246080), (256, 238390), (310, 196864), (320, 190712), (496, 123040), (512, 119195), (620, 98432), (640, 95356), (769, 79360), (992, 61520), (1240, 49216), (1280, 47678), (1538, 39680), (1984, 30760), (2480, 24608), (2560, 23839), (3076, 19840), (3845, 15872), (3968, 15380), (4960, 12304), (6152, 9920), (7690, 7936)]