40239780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13687}}^1$

素因数の和:13713

約数の個数: 72

約数和(自身を含む): 131076288

約数和(自身を除く): 90836508

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 13687, 27374, 41061, 54748, 68435, 82122, 95809, 136870, 164244, 191618, 205305, 273740, 287427, 383236, 410610, 479045, 574854, 670663, 821220, 958090, 1149708, 1341326, 1437135, 1916180, 2011989, 2682652, 2874270, 3353315, 4023978, 5748540, 6706630, 8047956, 10059945, 13413260, 20119890, 40239780]

約数ペア:

[(1, 40239780), (2, 20119890), (3, 13413260), (4, 10059945), (5, 8047956), (6, 6706630), (7, 5748540), (10, 4023978), (12, 3353315), (14, 2874270), (15, 2682652), (20, 2011989), (21, 1916180), (28, 1437135), (30, 1341326), (35, 1149708), (42, 958090), (49, 821220), (60, 670663), (70, 574854), (84, 479045), (98, 410610), (105, 383236), (140, 287427), (147, 273740), (196, 205305), (210, 191618), (245, 164244), (294, 136870), (420, 95809), (490, 82122), (588, 68435), (735, 54748), (980, 41061), (1470, 27374), (2940, 13687)]