661498426920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{654923}}^1$

素因数の和:655399

約数の個数: 128

約数和(自身を含む): 2093661043200

約数和(自身を除く): 1432162616280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 443, 456, 570, 760, 886, 1140, 1329, 1772, 2215, 2280, 2658, 3544, 4430, 5316, 6645, 8417, 8860, 10632, 13290, 16834, 17720, 25251, 26580, 33668, 42085, 50502, 53160, 67336, 84170, 101004, 126255, 168340, 202008, 252510, 336680, 505020, 654923, 1010040, 1309846, 1964769, 2619692, 3274615, 3929538, 5239384, 6549230, 7859076, 9823845, 12443537, 13098460, 15718152, 19647690, 24887074, 26196920, 37330611, 39295380, 49774148, 62217685, 74661222, 78590760, 99548296, 124435370, 149322444, 186653055, 248870740, 290130889, 298644888, 373306110, 497741480, 580261778, 746612220, 870392667, 1160523556, 1450654445, 1493224440, 1740785334, 2321047112, 2901308890, 3481570668, 4351963335, 5512486891, 5802617780, 6963141336, 8703926670, 11024973782, 11605235560, 16537460673, 17407853340, 22049947564, 27562434455, 33074921346, 34815706680, 44099895128, 55124868910, 66149842692, 82687303365, 110249737820, 132299685384, 165374606730, 220499475640, 330749213460, 661498426920]

約数ペア:

[(1, 661498426920), (2, 330749213460), (3, 220499475640), (4, 165374606730), (5, 132299685384), (6, 110249737820), (8, 82687303365), (10, 66149842692), (12, 55124868910), (15, 44099895128), (19, 34815706680), (20, 33074921346), (24, 27562434455), (30, 22049947564), (38, 17407853340), (40, 16537460673), (57, 11605235560), (60, 11024973782), (76, 8703926670), (95, 6963141336), (114, 5802617780), (120, 5512486891), (152, 4351963335), (190, 3481570668), (228, 2901308890), (285, 2321047112), (380, 1740785334), (443, 1493224440), (456, 1450654445), (570, 1160523556), (760, 870392667), (886, 746612220), (1140, 580261778), (1329, 497741480), (1772, 373306110), (2215, 298644888), (2280, 290130889), (2658, 248870740), (3544, 186653055), (4430, 149322444), (5316, 124435370), (6645, 99548296), (8417, 78590760), (8860, 74661222), (10632, 62217685), (13290, 49774148), (16834, 39295380), (17720, 37330611), (25251, 26196920), (26580, 24887074), (33668, 19647690), (42085, 15718152), (50502, 13098460), (53160, 12443537), (67336, 9823845), (84170, 7859076), (101004, 6549230), (126255, 5239384), (168340, 3929538), (202008, 3274615), (252510, 2619692), (336680, 1964769), (505020, 1309846), (654923, 1010040)]