72885960

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:369

約数の個数: 256

約数和(自身を含む): 287539200

約数和(自身を除く): 214653240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 54, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 108, 120, 124, 126, 135, 140, 155, 168, 180, 186, 189, 210, 216, 217, 248, 252, 270, 279, 280, 310, 311, 315, 360, 372, 378, 420, 434, 465, 504, 540, 558, 620, 622, 630, 651, 744, 756, 837, 840, 868, 930, 933, 945, 1080, 1085, 1116, 1240, 1244, 1260, 1302, 1395, 1512, 1555, 1674, 1736, 1860, 1866, 1890, 1953, 2170, 2177, 2232, 2488, 2520, 2604, 2790, 2799, 3110, 3255, 3348, 3720, 3732, 3780, 3906, 4185, 4340, 4354, 4665, 5208, 5580, 5598, 5859, 6220, 6510, 6531, 6696, 7464, 7560, 7812, 8370, 8397, 8680, 8708, 9330, 9641, 9765, 10885, 11160, 11196, 11718, 12440, 13020, 13062, 13995, 15624, 16740, 16794, 17416, 18660, 19282, 19530, 19593, 21770, 22392, 23436, 26040, 26124, 27990, 28923, 29295, 32655, 33480, 33588, 37320, 38564, 39060, 39186, 41985, 43540, 46872, 48205, 52248, 55980, 57846, 58590, 58779, 65310, 67176, 67487, 77128, 78120, 78372, 83970, 86769, 87080, 96410, 97965, 111960, 115692, 117180, 117558, 130620, 134974, 144615, 156744, 167940, 173538, 192820, 195930, 202461, 231384, 234360, 235116, 260307, 261240, 269948, 289230, 293895, 335880, 337435, 347076, 385640, 391860, 404922, 433845, 470232, 520614, 539896, 578460, 587790, 607383, 674870, 694152, 783720, 809844, 867690, 1012305, 1041228, 1156920, 1175580, 1214766, 1301535, 1349740, 1619688, 1735380, 1822149, 2024610, 2082456, 2351160, 2429532, 2603070, 2699480, 3036915, 3470760, 3644298, 4049220, 4859064, 5206140, 6073830, 7288596, 8098440, 9110745, 10412280, 12147660, 14577192, 18221490, 24295320, 36442980, 72885960]

約数ペア:

[(1, 72885960), (2, 36442980), (3, 24295320), (4, 18221490), (5, 14577192), (6, 12147660), (7, 10412280), (8, 9110745), (9, 8098440), (10, 7288596), (12, 6073830), (14, 5206140), (15, 4859064), (18, 4049220), (20, 3644298), (21, 3470760), (24, 3036915), (27, 2699480), (28, 2603070), (30, 2429532), (31, 2351160), (35, 2082456), (36, 2024610), (40, 1822149), (42, 1735380), (45, 1619688), (54, 1349740), (56, 1301535), (60, 1214766), (62, 1175580), (63, 1156920), (70, 1041228), (72, 1012305), (84, 867690), (90, 809844), (93, 783720), (105, 694152), (108, 674870), (120, 607383), (124, 587790), (126, 578460), (135, 539896), (140, 520614), (155, 470232), (168, 433845), (180, 404922), (186, 391860), (189, 385640), (210, 347076), (216, 337435), (217, 335880), (248, 293895), (252, 289230), (270, 269948), (279, 261240), (280, 260307), (310, 235116), (311, 234360), (315, 231384), (360, 202461), (372, 195930), (378, 192820), (420, 173538), (434, 167940), (465, 156744), (504, 144615), (540, 134974), (558, 130620), (620, 117558), (622, 117180), (630, 115692), (651, 111960), (744, 97965), (756, 96410), (837, 87080), (840, 86769), (868, 83970), (930, 78372), (933, 78120), (945, 77128), (1080, 67487), (1085, 67176), (1116, 65310), (1240, 58779), (1244, 58590), (1260, 57846), (1302, 55980), (1395, 52248), (1512, 48205), (1555, 46872), (1674, 43540), (1736, 41985), (1860, 39186), (1866, 39060), (1890, 38564), (1953, 37320), (2170, 33588), (2177, 33480), (2232, 32655), (2488, 29295), (2520, 28923), (2604, 27990), (2790, 26124), (2799, 26040), (3110, 23436), (3255, 22392), (3348, 21770), (3720, 19593), (3732, 19530), (3780, 19282), (3906, 18660), (4185, 17416), (4340, 16794), (4354, 16740), (4665, 15624), (5208, 13995), (5580, 13062), (5598, 13020), (5859, 12440), (6220, 11718), (6510, 11196), (6531, 11160), (6696, 10885), (7464, 9765), (7560, 9641), (7812, 9330), (8370, 8708), (8397, 8680)]