181220760

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{23971}}^1$

素因数の和:23998

約数の個数: 128

約数和(自身を含む): 690393600

約数和(自身を除く): 509172840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 23971, 47942, 71913, 95884, 119855, 143826, 167797, 191768, 215739, 239710, 287652, 335594, 359565, 431478, 479420, 503391, 575304, 647217, 671188, 719130, 838985, 862956, 958840, 1006782, 1078695, 1294434, 1342376, 1438260, 1510173, 1677970, 1725912, 2013564, 2157390, 2516955, 2588868, 2876520, 3020346, 3236085, 3355940, 4027128, 4314780, 4530519, 5033910, 5177736, 6040692, 6472170, 6711880, 7550865, 8629560, 9061038, 10067820, 12081384, 12944340, 15101730, 18122076, 20135640, 22652595, 25888680, 30203460, 36244152, 45305190, 60406920, 90610380, 181220760]

約数ペア:

[(1, 181220760), (2, 90610380), (3, 60406920), (4, 45305190), (5, 36244152), (6, 30203460), (7, 25888680), (8, 22652595), (9, 20135640), (10, 18122076), (12, 15101730), (14, 12944340), (15, 12081384), (18, 10067820), (20, 9061038), (21, 8629560), (24, 7550865), (27, 6711880), (28, 6472170), (30, 6040692), (35, 5177736), (36, 5033910), (40, 4530519), (42, 4314780), (45, 4027128), (54, 3355940), (56, 3236085), (60, 3020346), (63, 2876520), (70, 2588868), (72, 2516955), (84, 2157390), (90, 2013564), (105, 1725912), (108, 1677970), (120, 1510173), (126, 1438260), (135, 1342376), (140, 1294434), (168, 1078695), (180, 1006782), (189, 958840), (210, 862956), (216, 838985), (252, 719130), (270, 671188), (280, 647217), (315, 575304), (360, 503391), (378, 479420), (420, 431478), (504, 359565), (540, 335594), (630, 287652), (756, 239710), (840, 215739), (945, 191768), (1080, 167797), (1260, 143826), (1512, 119855), (1890, 95884), (2520, 71913), (3780, 47942), (7560, 23971)]