405920640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3989}}^1$

素因数の和:4064

約数の個数: 128

約数和(自身を含む): 1318615200

約数和(自身を除く): 912694560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 64, 80, 96, 106, 120, 128, 159, 160, 192, 212, 240, 265, 318, 320, 384, 424, 480, 530, 636, 640, 795, 848, 960, 1060, 1272, 1590, 1696, 1920, 2120, 2544, 3180, 3392, 3989, 4240, 5088, 6360, 6784, 7978, 8480, 10176, 11967, 12720, 15956, 16960, 19945, 20352, 23934, 25440, 31912, 33920, 39890, 47868, 50880, 59835, 63824, 79780, 95736, 101760, 119670, 127648, 159560, 191472, 211417, 239340, 255296, 319120, 382944, 422834, 478680, 510592, 634251, 638240, 765888, 845668, 957360, 1057085, 1268502, 1276480, 1531776, 1691336, 1914720, 2114170, 2537004, 2552960, 3171255, 3382672, 3829440, 4228340, 5074008, 6342510, 6765344, 7658880, 8456680, 10148016, 12685020, 13530688, 16913360, 20296032, 25370040, 27061376, 33826720, 40592064, 50740080, 67653440, 81184128, 101480160, 135306880, 202960320, 405920640]

約数ペア:

[(1, 405920640), (2, 202960320), (3, 135306880), (4, 101480160), (5, 81184128), (6, 67653440), (8, 50740080), (10, 40592064), (12, 33826720), (15, 27061376), (16, 25370040), (20, 20296032), (24, 16913360), (30, 13530688), (32, 12685020), (40, 10148016), (48, 8456680), (53, 7658880), (60, 6765344), (64, 6342510), (80, 5074008), (96, 4228340), (106, 3829440), (120, 3382672), (128, 3171255), (159, 2552960), (160, 2537004), (192, 2114170), (212, 1914720), (240, 1691336), (265, 1531776), (318, 1276480), (320, 1268502), (384, 1057085), (424, 957360), (480, 845668), (530, 765888), (636, 638240), (640, 634251), (795, 510592), (848, 478680), (960, 422834), (1060, 382944), (1272, 319120), (1590, 255296), (1696, 239340), (1920, 211417), (2120, 191472), (2544, 159560), (3180, 127648), (3392, 119670), (3989, 101760), (4240, 95736), (5088, 79780), (6360, 63824), (6784, 59835), (7978, 50880), (8480, 47868), (10176, 39890), (11967, 33920), (12720, 31912), (15956, 25440), (16960, 23934), (19945, 20352)]