219521640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1291}}^1$

素因数の和:1427

約数の個数: 128

約数和(自身を含む): 716284800

約数和(自身を除く): 496763160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 109, 120, 130, 156, 195, 218, 260, 312, 327, 390, 436, 520, 545, 654, 780, 872, 1090, 1291, 1308, 1417, 1560, 1635, 2180, 2582, 2616, 2834, 3270, 3873, 4251, 4360, 5164, 5668, 6455, 6540, 7085, 7746, 8502, 10328, 11336, 12910, 13080, 14170, 15492, 16783, 17004, 19365, 21255, 25820, 28340, 30984, 33566, 34008, 38730, 42510, 50349, 51640, 56680, 67132, 77460, 83915, 85020, 100698, 134264, 140719, 154920, 167830, 170040, 201396, 251745, 281438, 335660, 402792, 422157, 503490, 562876, 671320, 703595, 844314, 1006980, 1125752, 1407190, 1688628, 1829347, 2013960, 2110785, 2814380, 3377256, 3658694, 4221570, 5488041, 5628760, 7317388, 8443140, 9146735, 10976082, 14634776, 16886280, 18293470, 21952164, 27440205, 36586940, 43904328, 54880410, 73173880, 109760820, 219521640]

約数ペア:

[(1, 219521640), (2, 109760820), (3, 73173880), (4, 54880410), (5, 43904328), (6, 36586940), (8, 27440205), (10, 21952164), (12, 18293470), (13, 16886280), (15, 14634776), (20, 10976082), (24, 9146735), (26, 8443140), (30, 7317388), (39, 5628760), (40, 5488041), (52, 4221570), (60, 3658694), (65, 3377256), (78, 2814380), (104, 2110785), (109, 2013960), (120, 1829347), (130, 1688628), (156, 1407190), (195, 1125752), (218, 1006980), (260, 844314), (312, 703595), (327, 671320), (390, 562876), (436, 503490), (520, 422157), (545, 402792), (654, 335660), (780, 281438), (872, 251745), (1090, 201396), (1291, 170040), (1308, 167830), (1417, 154920), (1560, 140719), (1635, 134264), (2180, 100698), (2582, 85020), (2616, 83915), (2834, 77460), (3270, 67132), (3873, 56680), (4251, 51640), (4360, 50349), (5164, 42510), (5668, 38730), (6455, 34008), (6540, 33566), (7085, 30984), (7746, 28340), (8502, 25820), (10328, 21255), (11336, 19365), (12910, 17004), (13080, 16783), (14170, 15492)]