80201520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{15913}}^1$

素因数の和:15939

約数の個数: 120

約数和(自身を含む): 307840416

約数和(自身を除く): 227638896

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 15913, 31826, 47739, 63652, 79565, 95478, 111391, 127304, 143217, 159130, 190956, 222782, 238695, 254608, 286434, 318260, 334173, 381912, 445564, 477390, 556955, 572868, 636520, 668346, 716085, 763824, 891128, 954780, 1002519, 1113910, 1145736, 1273040, 1336692, 1432170, 1670865, 1782256, 1909560, 2005038, 2227820, 2291472, 2673384, 2864340, 3341730, 3819120, 4010076, 4455640, 5012595, 5346768, 5728680, 6683460, 8020152, 8911280, 10025190, 11457360, 13366920, 16040304, 20050380, 26733840, 40100760, 80201520]

約数ペア:

[(1, 80201520), (2, 40100760), (3, 26733840), (4, 20050380), (5, 16040304), (6, 13366920), (7, 11457360), (8, 10025190), (9, 8911280), (10, 8020152), (12, 6683460), (14, 5728680), (15, 5346768), (16, 5012595), (18, 4455640), (20, 4010076), (21, 3819120), (24, 3341730), (28, 2864340), (30, 2673384), (35, 2291472), (36, 2227820), (40, 2005038), (42, 1909560), (45, 1782256), (48, 1670865), (56, 1432170), (60, 1336692), (63, 1273040), (70, 1145736), (72, 1113910), (80, 1002519), (84, 954780), (90, 891128), (105, 763824), (112, 716085), (120, 668346), (126, 636520), (140, 572868), (144, 556955), (168, 477390), (180, 445564), (210, 381912), (240, 334173), (252, 318260), (280, 286434), (315, 254608), (336, 238695), (360, 222782), (420, 190956), (504, 159130), (560, 143217), (630, 127304), (720, 111391), (840, 95478), (1008, 79565), (1260, 63652), (1680, 47739), (2520, 31826), (5040, 15913)]