77916020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1381}}^1$

素因数の和:1441

約数の個数: 96

約数和(自身を含む): 208029696

約数和(自身を除く): 130113676

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 182, 217, 260, 310, 364, 403, 434, 455, 620, 806, 868, 910, 1085, 1381, 1612, 1820, 2015, 2170, 2762, 2821, 4030, 4340, 5524, 5642, 6905, 8060, 9667, 11284, 13810, 14105, 17953, 19334, 27620, 28210, 35906, 38668, 42811, 48335, 56420, 71812, 85622, 89765, 96670, 125671, 171244, 179530, 193340, 214055, 251342, 299677, 359060, 428110, 502684, 556543, 599354, 628355, 856220, 1113086, 1198708, 1256710, 1498385, 2226172, 2513420, 2782715, 2996770, 3895801, 5565430, 5993540, 7791602, 11130860, 15583204, 19479005, 38958010, 77916020]

約数ペア:

[(1, 77916020), (2, 38958010), (4, 19479005), (5, 15583204), (7, 11130860), (10, 7791602), (13, 5993540), (14, 5565430), (20, 3895801), (26, 2996770), (28, 2782715), (31, 2513420), (35, 2226172), (52, 1498385), (62, 1256710), (65, 1198708), (70, 1113086), (91, 856220), (124, 628355), (130, 599354), (140, 556543), (155, 502684), (182, 428110), (217, 359060), (260, 299677), (310, 251342), (364, 214055), (403, 193340), (434, 179530), (455, 171244), (620, 125671), (806, 96670), (868, 89765), (910, 85622), (1085, 71812), (1381, 56420), (1612, 48335), (1820, 42811), (2015, 38668), (2170, 35906), (2762, 28210), (2821, 27620), (4030, 19334), (4340, 17953), (5524, 14105), (5642, 13810), (6905, 11284), (8060, 9667)]