221310240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:295

約数の個数: 192

約数和(自身を含む): 731566080

約数和(自身を除く): 510255840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 107, 120, 124, 139, 155, 160, 186, 214, 240, 248, 278, 310, 321, 372, 417, 428, 465, 480, 496, 535, 556, 620, 642, 695, 744, 834, 856, 930, 992, 1070, 1112, 1240, 1284, 1390, 1488, 1605, 1668, 1712, 1860, 2085, 2140, 2224, 2480, 2568, 2780, 2976, 3210, 3317, 3336, 3424, 3720, 4170, 4280, 4309, 4448, 4960, 5136, 5560, 6420, 6634, 6672, 7440, 8340, 8560, 8618, 9951, 10272, 11120, 12840, 12927, 13268, 13344, 14873, 14880, 16585, 16680, 17120, 17236, 19902, 21545, 22240, 25680, 25854, 26536, 29746, 33170, 33360, 34472, 39804, 43090, 44619, 49755, 51360, 51708, 53072, 59492, 64635, 66340, 66720, 68944, 74365, 79608, 86180, 89238, 99510, 103416, 106144, 118984, 129270, 132680, 137888, 148730, 159216, 172360, 178476, 199020, 206832, 223095, 237968, 258540, 265360, 297460, 318432, 344720, 356952, 398040, 413664, 446190, 461063, 475936, 517080, 530720, 594920, 689440, 713904, 796080, 892380, 922126, 1034160, 1189840, 1383189, 1427808, 1592160, 1784760, 1844252, 2068320, 2305315, 2379680, 2766378, 3569520, 3688504, 4610630, 5532756, 6915945, 7139040, 7377008, 9221260, 11065512, 13831890, 14754016, 18442520, 22131024, 27663780, 36885040, 44262048, 55327560, 73770080, 110655120, 221310240]

約数ペア:

[(1, 221310240), (2, 110655120), (3, 73770080), (4, 55327560), (5, 44262048), (6, 36885040), (8, 27663780), (10, 22131024), (12, 18442520), (15, 14754016), (16, 13831890), (20, 11065512), (24, 9221260), (30, 7377008), (31, 7139040), (32, 6915945), (40, 5532756), (48, 4610630), (60, 3688504), (62, 3569520), (80, 2766378), (93, 2379680), (96, 2305315), (107, 2068320), (120, 1844252), (124, 1784760), (139, 1592160), (155, 1427808), (160, 1383189), (186, 1189840), (214, 1034160), (240, 922126), (248, 892380), (278, 796080), (310, 713904), (321, 689440), (372, 594920), (417, 530720), (428, 517080), (465, 475936), (480, 461063), (496, 446190), (535, 413664), (556, 398040), (620, 356952), (642, 344720), (695, 318432), (744, 297460), (834, 265360), (856, 258540), (930, 237968), (992, 223095), (1070, 206832), (1112, 199020), (1240, 178476), (1284, 172360), (1390, 159216), (1488, 148730), (1605, 137888), (1668, 132680), (1712, 129270), (1860, 118984), (2085, 106144), (2140, 103416), (2224, 99510), (2480, 89238), (2568, 86180), (2780, 79608), (2976, 74365), (3210, 68944), (3317, 66720), (3336, 66340), (3424, 64635), (3720, 59492), (4170, 53072), (4280, 51708), (4309, 51360), (4448, 49755), (4960, 44619), (5136, 43090), (5560, 39804), (6420, 34472), (6634, 33360), (6672, 33170), (7440, 29746), (8340, 26536), (8560, 25854), (8618, 25680), (9951, 22240), (10272, 21545), (11120, 19902), (12840, 17236), (12927, 17120), (13268, 16680), (13344, 16585), (14873, 14880)]