72409680

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{4789}}^1$

素因数の和:4818

約数の個数: 160

約数和(自身を含む): 285100800

約数和(自身を除く): 212691120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 4789, 5040, 7560, 9578, 14367, 15120, 19156, 23945, 28734, 33523, 38312, 43101, 47890, 57468, 67046, 71835, 76624, 86202, 95780, 100569, 114936, 129303, 134092, 143670, 167615, 172404, 191560, 201138, 215505, 229872, 258606, 268184, 287340, 301707, 335230, 344808, 383120, 402276, 431010, 502845, 517212, 536368, 574680, 603414, 646515, 670460, 689616, 804552, 862020, 905121, 1005690, 1034424, 1149360, 1206828, 1293030, 1340920, 1508535, 1609104, 1724040, 1810242, 2011380, 2068848, 2413656, 2586060, 2681840, 3017070, 3448080, 3620484, 4022760, 4525605, 4827312, 5172120, 6034140, 7240968, 8045520, 9051210, 10344240, 12068280, 14481936, 18102420, 24136560, 36204840, 72409680]

約数ペア:

[(1, 72409680), (2, 36204840), (3, 24136560), (4, 18102420), (5, 14481936), (6, 12068280), (7, 10344240), (8, 9051210), (9, 8045520), (10, 7240968), (12, 6034140), (14, 5172120), (15, 4827312), (16, 4525605), (18, 4022760), (20, 3620484), (21, 3448080), (24, 3017070), (27, 2681840), (28, 2586060), (30, 2413656), (35, 2068848), (36, 2011380), (40, 1810242), (42, 1724040), (45, 1609104), (48, 1508535), (54, 1340920), (56, 1293030), (60, 1206828), (63, 1149360), (70, 1034424), (72, 1005690), (80, 905121), (84, 862020), (90, 804552), (105, 689616), (108, 670460), (112, 646515), (120, 603414), (126, 574680), (135, 536368), (140, 517212), (144, 502845), (168, 431010), (180, 402276), (189, 383120), (210, 344808), (216, 335230), (240, 301707), (252, 287340), (270, 268184), (280, 258606), (315, 229872), (336, 215505), (360, 201138), (378, 191560), (420, 172404), (432, 167615), (504, 143670), (540, 134092), (560, 129303), (630, 114936), (720, 100569), (756, 95780), (840, 86202), (945, 76624), (1008, 71835), (1080, 67046), (1260, 57468), (1512, 47890), (1680, 43101), (1890, 38312), (2160, 33523), (2520, 28734), (3024, 23945), (3780, 19156), (4789, 15120), (5040, 14367), (7560, 9578)]