154831360

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1951}}^1$

素因数の和:2005

約数の個数: 80

約数和(自身を含む): 383404032

約数和(自身を除く): 228572672

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, 1951, 1984, 2480, 2560, 3902, 3968, 4960, 7804, 7936, 9755, 9920, 15608, 15872, 19510, 19840, 31216, 39020, 39680, 60481, 62432, 78040, 79360, 120962, 124864, 156080, 241924, 249728, 302405, 312160, 483848, 499456, 604810, 624320, 967696, 998912, 1209620, 1248640, 1935392, 2419240, 2497280, 3870784, 4838480, 4994560, 7741568, 9676960, 15483136, 19353920, 30966272, 38707840, 77415680, 154831360]

約数ペア:

[(1, 154831360), (2, 77415680), (4, 38707840), (5, 30966272), (8, 19353920), (10, 15483136), (16, 9676960), (20, 7741568), (31, 4994560), (32, 4838480), (40, 3870784), (62, 2497280), (64, 2419240), (80, 1935392), (124, 1248640), (128, 1209620), (155, 998912), (160, 967696), (248, 624320), (256, 604810), (310, 499456), (320, 483848), (496, 312160), (512, 302405), (620, 249728), (640, 241924), (992, 156080), (1240, 124864), (1280, 120962), (1951, 79360), (1984, 78040), (2480, 62432), (2560, 60481), (3902, 39680), (3968, 39020), (4960, 31216), (7804, 19840), (7936, 19510), (9755, 15872), (9920, 15608)]