318619920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{293}}^1$

素因数の和:529

約数の個数: 160

約数和(自身を含む): 1039433472

約数和(自身を除く): 720813552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 197, 230, 240, 276, 293, 345, 368, 394, 460, 552, 586, 591, 690, 788, 879, 920, 985, 1104, 1172, 1182, 1380, 1465, 1576, 1758, 1840, 1970, 2344, 2364, 2760, 2930, 2955, 3152, 3516, 3940, 4395, 4531, 4688, 4728, 5520, 5860, 5910, 6739, 7032, 7880, 8790, 9062, 9456, 11720, 11820, 13478, 13593, 14064, 15760, 17580, 18124, 20217, 22655, 23440, 23640, 26956, 27186, 33695, 35160, 36248, 40434, 45310, 47280, 53912, 54372, 57721, 67390, 67965, 70320, 72496, 80868, 90620, 101085, 107824, 108744, 115442, 134780, 135930, 161736, 173163, 181240, 202170, 217488, 230884, 269560, 271860, 288605, 323472, 346326, 362480, 404340, 461768, 539120, 543720, 577210, 692652, 808680, 865815, 923536, 1087440, 1154420, 1327583, 1385304, 1617360, 1731630, 2308840, 2655166, 2770608, 3463260, 3982749, 4617680, 5310332, 6637915, 6926520, 7965498, 10620664, 13275830, 13853040, 15930996, 19913745, 21241328, 26551660, 31861992, 39827490, 53103320, 63723984, 79654980, 106206640, 159309960, 318619920]

約数ペア:

[(1, 318619920), (2, 159309960), (3, 106206640), (4, 79654980), (5, 63723984), (6, 53103320), (8, 39827490), (10, 31861992), (12, 26551660), (15, 21241328), (16, 19913745), (20, 15930996), (23, 13853040), (24, 13275830), (30, 10620664), (40, 7965498), (46, 6926520), (48, 6637915), (60, 5310332), (69, 4617680), (80, 3982749), (92, 3463260), (115, 2770608), (120, 2655166), (138, 2308840), (184, 1731630), (197, 1617360), (230, 1385304), (240, 1327583), (276, 1154420), (293, 1087440), (345, 923536), (368, 865815), (394, 808680), (460, 692652), (552, 577210), (586, 543720), (591, 539120), (690, 461768), (788, 404340), (879, 362480), (920, 346326), (985, 323472), (1104, 288605), (1172, 271860), (1182, 269560), (1380, 230884), (1465, 217488), (1576, 202170), (1758, 181240), (1840, 173163), (1970, 161736), (2344, 135930), (2364, 134780), (2760, 115442), (2930, 108744), (2955, 107824), (3152, 101085), (3516, 90620), (3940, 80868), (4395, 72496), (4531, 70320), (4688, 67965), (4728, 67390), (5520, 57721), (5860, 54372), (5910, 53912), (6739, 47280), (7032, 45310), (7880, 40434), (8790, 36248), (9062, 35160), (9456, 33695), (11720, 27186), (11820, 26956), (13478, 23640), (13593, 23440), (14064, 22655), (15760, 20217), (17580, 18124)]