278201040

素因数分解:

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

素因数の和:99

約数の個数: 240

約数和(自身を含む): 985740480

約数和(自身を除く): 707539440

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, 169, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 338, 361, 380, 390, 456, 494, 507, 520, 570, 624, 676, 722, 741, 760, 780, 845, 912, 988, 1014, 1040, 1083, 1140, 1235, 1352, 1444, 1482, 1520, 1560, 1690, 1805, 1976, 2028, 2166, 2280, 2470, 2535, 2704, 2888, 2964, 3120, 3211, 3380, 3610, 3705, 3952, 4056, 4332, 4560, 4693, 4940, 5070, 5415, 5776, 5928, 6422, 6760, 6859, 7220, 7410, 8112, 8664, 9386, 9633, 9880, 10140, 10830, 11856, 12844, 13520, 13718, 14079, 14440, 14820, 16055, 17328, 18772, 19266, 19760, 20280, 20577, 21660, 23465, 25688, 27436, 28158, 28880, 29640, 32110, 34295, 37544, 38532, 40560, 41154, 43320, 46930, 48165, 51376, 54872, 56316, 59280, 61009, 64220, 68590, 70395, 75088, 77064, 82308, 86640, 89167, 93860, 96330, 102885, 109744, 112632, 122018, 128440, 137180, 140790, 154128, 164616, 178334, 183027, 187720, 192660, 205770, 225264, 244036, 256880, 267501, 274360, 281580, 305045, 329232, 356668, 366054, 375440, 385320, 411540, 445835, 488072, 535002, 548720, 563160, 610090, 713336, 732108, 770640, 823080, 891670, 915135, 976144, 1070004, 1126320, 1159171, 1220180, 1337505, 1426672, 1464216, 1646160, 1783340, 1830270, 2140008, 2318342, 2440360, 2675010, 2928432, 3477513, 3566680, 3660540, 4280016, 4636684, 4880720, 5350020, 5795855, 6955026, 7133360, 7321080, 9273368, 10700040, 11591710, 13910052, 14642160, 17387565, 18546736, 21400080, 23183420, 27820104, 34775130, 46366840, 55640208, 69550260, 92733680, 139100520, 278201040]

約数ペア:

[(1, 278201040), (2, 139100520), (3, 92733680), (4, 69550260), (5, 55640208), (6, 46366840), (8, 34775130), (10, 27820104), (12, 23183420), (13, 21400080), (15, 18546736), (16, 17387565), (19, 14642160), (20, 13910052), (24, 11591710), (26, 10700040), (30, 9273368), (38, 7321080), (39, 7133360), (40, 6955026), (48, 5795855), (52, 5350020), (57, 4880720), (60, 4636684), (65, 4280016), (76, 3660540), (78, 3566680), (80, 3477513), (95, 2928432), (104, 2675010), (114, 2440360), (120, 2318342), (130, 2140008), (152, 1830270), (156, 1783340), (169, 1646160), (190, 1464216), (195, 1426672), (208, 1337505), (228, 1220180), (240, 1159171), (247, 1126320), (260, 1070004), (285, 976144), (304, 915135), (312, 891670), (338, 823080), (361, 770640), (380, 732108), (390, 713336), (456, 610090), (494, 563160), (507, 548720), (520, 535002), (570, 488072), (624, 445835), (676, 411540), (722, 385320), (741, 375440), (760, 366054), (780, 356668), (845, 329232), (912, 305045), (988, 281580), (1014, 274360), (1040, 267501), (1083, 256880), (1140, 244036), (1235, 225264), (1352, 205770), (1444, 192660), (1482, 187720), (1520, 183027), (1560, 178334), (1690, 164616), (1805, 154128), (1976, 140790), (2028, 137180), (2166, 128440), (2280, 122018), (2470, 112632), (2535, 109744), (2704, 102885), (2888, 96330), (2964, 93860), (3120, 89167), (3211, 86640), (3380, 82308), (3610, 77064), (3705, 75088), (3952, 70395), (4056, 68590), (4332, 64220), (4560, 61009), (4693, 59280), (4940, 56316), (5070, 54872), (5415, 51376), (5776, 48165), (5928, 46930), (6422, 43320), (6760, 41154), (6859, 40560), (7220, 38532), (7410, 37544), (8112, 34295), (8664, 32110), (9386, 29640), (9633, 28880), (9880, 28158), (10140, 27436), (10830, 25688), (11856, 23465), (12844, 21660), (13520, 20577), (13718, 20280), (14079, 19760), (14440, 19266), (14820, 18772), (16055, 17328)]