987996660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{75883}}^1$

素因数の和:75933

約数の個数: 96

約数和(自身を含む): 3263619072

約数和(自身を除く): 2275622412

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2604, 3255, 4340, 6510, 13020, 75883, 151766, 227649, 303532, 379415, 455298, 531181, 758830, 910596, 1062362, 1138245, 1517660, 1593543, 2124724, 2276490, 2352373, 2655905, 3187086, 4552980, 4704746, 5311810, 6374172, 7057119, 7967715, 9409492, 10623620, 11761865, 14114238, 15935430, 16466611, 23523730, 28228476, 31870860, 32933222, 35285595, 47047460, 49399833, 65866444, 70571190, 82333055, 98799666, 141142380, 164666110, 197599332, 246999165, 329332220, 493998330, 987996660]

約数ペア:

[(1, 987996660), (2, 493998330), (3, 329332220), (4, 246999165), (5, 197599332), (6, 164666110), (7, 141142380), (10, 98799666), (12, 82333055), (14, 70571190), (15, 65866444), (20, 49399833), (21, 47047460), (28, 35285595), (30, 32933222), (31, 31870860), (35, 28228476), (42, 23523730), (60, 16466611), (62, 15935430), (70, 14114238), (84, 11761865), (93, 10623620), (105, 9409492), (124, 7967715), (140, 7057119), (155, 6374172), (186, 5311810), (210, 4704746), (217, 4552980), (310, 3187086), (372, 2655905), (420, 2352373), (434, 2276490), (465, 2124724), (620, 1593543), (651, 1517660), (868, 1138245), (930, 1062362), (1085, 910596), (1302, 758830), (1860, 531181), (2170, 455298), (2604, 379415), (3255, 303532), (4340, 227649), (6510, 151766), (13020, 75883)]