40378320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{56081}}^1$

素因数の和:56100

約数の個数: 60

約数和(自身を含む): 135606276

約数和(自身を除く): 95227956

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 56081, 112162, 168243, 224324, 280405, 336486, 448648, 504729, 560810, 672972, 841215, 897296, 1009458, 1121620, 1345944, 1682430, 2018916, 2243240, 2523645, 2691888, 3364860, 4037832, 4486480, 5047290, 6729720, 8075664, 10094580, 13459440, 20189160, 40378320]

約数ペア:

[(1, 40378320), (2, 20189160), (3, 13459440), (4, 10094580), (5, 8075664), (6, 6729720), (8, 5047290), (9, 4486480), (10, 4037832), (12, 3364860), (15, 2691888), (16, 2523645), (18, 2243240), (20, 2018916), (24, 1682430), (30, 1345944), (36, 1121620), (40, 1009458), (45, 897296), (48, 841215), (60, 672972), (72, 560810), (80, 504729), (90, 448648), (120, 336486), (144, 280405), (180, 224324), (240, 168243), (360, 112162), (720, 56081)]