311990640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{277}}^1$

素因数の和:344

約数の個数: 240

約数和(自身を含む): 1103241888

約数和(自身を除く): 791251248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 104, 114, 120, 130, 152, 156, 190, 195, 208, 228, 240, 247, 260, 277, 285, 304, 312, 361, 380, 390, 456, 494, 520, 554, 570, 624, 722, 741, 760, 780, 831, 912, 988, 1040, 1083, 1108, 1140, 1235, 1385, 1444, 1482, 1520, 1560, 1662, 1805, 1976, 2166, 2216, 2280, 2470, 2770, 2888, 2964, 3120, 3324, 3601, 3610, 3705, 3952, 4155, 4332, 4432, 4560, 4693, 4940, 5263, 5415, 5540, 5776, 5928, 6648, 7202, 7220, 7410, 8310, 8664, 9386, 9880, 10526, 10803, 10830, 11080, 11856, 13296, 14079, 14404, 14440, 14820, 15789, 16620, 17328, 18005, 18772, 19760, 21052, 21606, 21660, 22160, 23465, 26315, 28158, 28808, 28880, 29640, 31578, 33240, 36010, 37544, 42104, 43212, 43320, 46930, 52630, 54015, 56316, 57616, 59280, 63156, 66480, 68419, 70395, 72020, 75088, 78945, 84208, 86424, 86640, 93860, 99997, 105260, 108030, 112632, 126312, 136838, 140790, 144040, 157890, 172848, 187720, 199994, 205257, 210520, 216060, 225264, 252624, 273676, 281580, 288080, 299991, 315780, 342095, 375440, 399988, 410514, 421040, 432120, 499985, 547352, 563160, 599982, 631560, 684190, 799976, 821028, 864240, 999970, 1026285, 1094704, 1126320, 1199964, 1263120, 1299961, 1368380, 1499955, 1599952, 1642056, 1999940, 2052570, 2399928, 2599922, 2736760, 2999910, 3284112, 3899883, 3999880, 4105140, 4799856, 5199844, 5473520, 5999820, 6499805, 7799766, 7999760, 8210280, 10399688, 11999640, 12999610, 15599532, 16420560, 19499415, 20799376, 23999280, 25999220, 31199064, 38998830, 51998440, 62398128, 77997660, 103996880, 155995320, 311990640]

約数ペア:

[(1, 311990640), (2, 155995320), (3, 103996880), (4, 77997660), (5, 62398128), (6, 51998440), (8, 38998830), (10, 31199064), (12, 25999220), (13, 23999280), (15, 20799376), (16, 19499415), (19, 16420560), (20, 15599532), (24, 12999610), (26, 11999640), (30, 10399688), (38, 8210280), (39, 7999760), (40, 7799766), (48, 6499805), (52, 5999820), (57, 5473520), (60, 5199844), (65, 4799856), (76, 4105140), (78, 3999880), (80, 3899883), (95, 3284112), (104, 2999910), (114, 2736760), (120, 2599922), (130, 2399928), (152, 2052570), (156, 1999940), (190, 1642056), (195, 1599952), (208, 1499955), (228, 1368380), (240, 1299961), (247, 1263120), (260, 1199964), (277, 1126320), (285, 1094704), (304, 1026285), (312, 999970), (361, 864240), (380, 821028), (390, 799976), (456, 684190), (494, 631560), (520, 599982), (554, 563160), (570, 547352), (624, 499985), (722, 432120), (741, 421040), (760, 410514), (780, 399988), (831, 375440), (912, 342095), (988, 315780), (1040, 299991), (1083, 288080), (1108, 281580), (1140, 273676), (1235, 252624), (1385, 225264), (1444, 216060), (1482, 210520), (1520, 205257), (1560, 199994), (1662, 187720), (1805, 172848), (1976, 157890), (2166, 144040), (2216, 140790), (2280, 136838), (2470, 126312), (2770, 112632), (2888, 108030), (2964, 105260), (3120, 99997), (3324, 93860), (3601, 86640), (3610, 86424), (3705, 84208), (3952, 78945), (4155, 75088), (4332, 72020), (4432, 70395), (4560, 68419), (4693, 66480), (4940, 63156), (5263, 59280), (5415, 57616), (5540, 56316), (5776, 54015), (5928, 52630), (6648, 46930), (7202, 43320), (7220, 43212), (7410, 42104), (8310, 37544), (8664, 36010), (9386, 33240), (9880, 31578), (10526, 29640), (10803, 28880), (10830, 28808), (11080, 28158), (11856, 26315), (13296, 23465), (14079, 22160), (14404, 21660), (14440, 21606), (14820, 21052), (15789, 19760), (16620, 18772), (17328, 18005)]