72415980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4421}}^1$

素因数の和:4456

約数の個数: 144

約数和(自身を含む): 270414144

約数和(自身を除く): 197998164

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 4421, 5460, 8190, 8842, 13263, 16380, 17684, 22105, 26526, 30947, 39789, 44210, 53052, 57473, 61894, 66315, 79578, 88420, 92841, 114946, 123788, 132630, 154735, 159156, 172419, 185682, 198945, 229892, 265260, 278523, 287365, 309470, 344838, 371364, 397890, 402311, 464205, 517257, 557046, 574730, 618940, 689676, 795780, 804622, 862095, 928410, 1034514, 1114092, 1149460, 1206933, 1392615, 1609244, 1724190, 1856820, 2011555, 2069028, 2413866, 2586285, 2785230, 3448380, 3620799, 4023110, 4827732, 5172570, 5570460, 6034665, 7241598, 8046220, 10345140, 12069330, 14483196, 18103995, 24138660, 36207990, 72415980]

約数ペア:

[(1, 72415980), (2, 36207990), (3, 24138660), (4, 18103995), (5, 14483196), (6, 12069330), (7, 10345140), (9, 8046220), (10, 7241598), (12, 6034665), (13, 5570460), (14, 5172570), (15, 4827732), (18, 4023110), (20, 3620799), (21, 3448380), (26, 2785230), (28, 2586285), (30, 2413866), (35, 2069028), (36, 2011555), (39, 1856820), (42, 1724190), (45, 1609244), (52, 1392615), (60, 1206933), (63, 1149460), (65, 1114092), (70, 1034514), (78, 928410), (84, 862095), (90, 804622), (91, 795780), (105, 689676), (117, 618940), (126, 574730), (130, 557046), (140, 517257), (156, 464205), (180, 402311), (182, 397890), (195, 371364), (210, 344838), (234, 309470), (252, 287365), (260, 278523), (273, 265260), (315, 229892), (364, 198945), (390, 185682), (420, 172419), (455, 159156), (468, 154735), (546, 132630), (585, 123788), (630, 114946), (780, 92841), (819, 88420), (910, 79578), (1092, 66315), (1170, 61894), (1260, 57473), (1365, 53052), (1638, 44210), (1820, 39789), (2340, 30947), (2730, 26526), (3276, 22105), (4095, 17684), (4421, 16380), (5460, 13263), (8190, 8842)]