1279909920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3793}}^1$

素因数の和:3867

約数の個数: 192

約数和(自身を含む): 4359761280

約数和(自身を除く): 3079851360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 37, 38, 40, 48, 57, 60, 74, 76, 80, 95, 96, 111, 114, 120, 148, 152, 160, 185, 190, 222, 228, 240, 285, 296, 304, 370, 380, 444, 456, 480, 555, 570, 592, 608, 703, 740, 760, 888, 912, 1110, 1140, 1184, 1406, 1480, 1520, 1776, 1824, 2109, 2220, 2280, 2812, 2960, 3040, 3515, 3552, 3793, 4218, 4440, 4560, 5624, 5920, 7030, 7586, 8436, 8880, 9120, 10545, 11248, 11379, 14060, 15172, 16872, 17760, 18965, 21090, 22496, 22758, 28120, 30344, 33744, 37930, 42180, 45516, 56240, 56895, 60688, 67488, 72067, 75860, 84360, 91032, 112480, 113790, 121376, 140341, 144134, 151720, 168720, 182064, 216201, 227580, 280682, 288268, 303440, 337440, 360335, 364128, 421023, 432402, 455160, 561364, 576536, 606880, 701705, 720670, 842046, 864804, 910320, 1081005, 1122728, 1153072, 1403410, 1441340, 1684092, 1729608, 1820640, 2105115, 2162010, 2245456, 2306144, 2666479, 2806820, 2882680, 3368184, 3459216, 4210230, 4324020, 4490912, 5332958, 5613640, 5765360, 6736368, 6918432, 7999437, 8420460, 8648040, 10665916, 11227280, 11530720, 13332395, 13472736, 15998874, 16840920, 17296080, 21331832, 22454560, 26664790, 31997748, 33681840, 34592160, 39997185, 42663664, 53329580, 63995496, 67363680, 79994370, 85327328, 106659160, 127990992, 159988740, 213318320, 255981984, 319977480, 426636640, 639954960, 1279909920]

約数ペア:

[(1, 1279909920), (2, 639954960), (3, 426636640), (4, 319977480), (5, 255981984), (6, 213318320), (8, 159988740), (10, 127990992), (12, 106659160), (15, 85327328), (16, 79994370), (19, 67363680), (20, 63995496), (24, 53329580), (30, 42663664), (32, 39997185), (37, 34592160), (38, 33681840), (40, 31997748), (48, 26664790), (57, 22454560), (60, 21331832), (74, 17296080), (76, 16840920), (80, 15998874), (95, 13472736), (96, 13332395), (111, 11530720), (114, 11227280), (120, 10665916), (148, 8648040), (152, 8420460), (160, 7999437), (185, 6918432), (190, 6736368), (222, 5765360), (228, 5613640), (240, 5332958), (285, 4490912), (296, 4324020), (304, 4210230), (370, 3459216), (380, 3368184), (444, 2882680), (456, 2806820), (480, 2666479), (555, 2306144), (570, 2245456), (592, 2162010), (608, 2105115), (703, 1820640), (740, 1729608), (760, 1684092), (888, 1441340), (912, 1403410), (1110, 1153072), (1140, 1122728), (1184, 1081005), (1406, 910320), (1480, 864804), (1520, 842046), (1776, 720670), (1824, 701705), (2109, 606880), (2220, 576536), (2280, 561364), (2812, 455160), (2960, 432402), (3040, 421023), (3515, 364128), (3552, 360335), (3793, 337440), (4218, 303440), (4440, 288268), (4560, 280682), (5624, 227580), (5920, 216201), (7030, 182064), (7586, 168720), (8436, 151720), (8880, 144134), (9120, 140341), (10545, 121376), (11248, 113790), (11379, 112480), (14060, 91032), (15172, 84360), (16872, 75860), (17760, 72067), (18965, 67488), (21090, 60688), (22496, 56895), (22758, 56240), (28120, 45516), (30344, 42180), (33744, 37930)]