281435520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{146581}}^1$

素因数の和:146603

約数の個数: 64

約数和(自身を含む): 897081840

約数和(自身を除く): 615646320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 146581, 293162, 439743, 586324, 732905, 879486, 1172648, 1465810, 1758972, 2198715, 2345296, 2931620, 3517944, 4397430, 4690592, 5863240, 7035888, 8794860, 9381184, 11726480, 14071776, 17589720, 18762368, 23452960, 28143552, 35179440, 46905920, 56287104, 70358880, 93811840, 140717760, 281435520]

約数ペア:

[(1, 281435520), (2, 140717760), (3, 93811840), (4, 70358880), (5, 56287104), (6, 46905920), (8, 35179440), (10, 28143552), (12, 23452960), (15, 18762368), (16, 17589720), (20, 14071776), (24, 11726480), (30, 9381184), (32, 8794860), (40, 7035888), (48, 5863240), (60, 4690592), (64, 4397430), (80, 3517944), (96, 2931620), (120, 2345296), (128, 2198715), (160, 1758972), (192, 1465810), (240, 1172648), (320, 879486), (384, 732905), (480, 586324), (640, 439743), (960, 293162), (1920, 146581)]