1255156240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:226

約数の個数: 240

約数和(自身を含む): 3450636288

約数和(自身を除く): 2195480048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 43, 52, 65, 68, 80, 85, 86, 104, 127, 130, 136, 169, 170, 172, 208, 215, 221, 254, 260, 272, 338, 340, 344, 430, 442, 508, 520, 559, 635, 676, 680, 688, 731, 845, 860, 884, 1016, 1040, 1105, 1118, 1270, 1352, 1360, 1462, 1651, 1690, 1720, 1768, 2032, 2159, 2210, 2236, 2540, 2704, 2795, 2873, 2924, 3302, 3380, 3440, 3536, 3655, 4318, 4420, 4472, 5080, 5461, 5590, 5746, 5848, 6604, 6760, 7267, 7310, 8255, 8636, 8840, 8944, 9503, 10160, 10795, 10922, 11180, 11492, 11696, 13208, 13520, 14365, 14534, 14620, 16510, 17272, 17680, 19006, 21463, 21590, 21844, 22360, 22984, 26416, 27305, 28067, 28730, 29068, 29240, 33020, 34544, 36335, 38012, 42926, 43180, 43688, 44720, 45968, 47515, 54610, 56134, 57460, 58136, 58480, 66040, 70993, 72670, 76024, 85852, 86360, 87376, 92837, 95030, 107315, 109220, 112268, 114920, 116272, 123539, 132080, 140335, 141986, 145340, 152048, 171704, 172720, 185674, 190060, 214630, 218440, 224536, 229840, 247078, 280670, 283972, 290680, 343408, 354965, 364871, 371348, 380120, 429260, 436880, 449072, 464185, 494156, 561340, 567944, 581360, 617695, 709930, 729742, 742696, 760240, 858520, 922909, 928370, 988312, 1122680, 1135888, 1206881, 1235390, 1419860, 1459484, 1485392, 1717040, 1824355, 1845818, 1856740, 1976624, 2245360, 2413762, 2470780, 2839720, 2918968, 3648710, 3691636, 3713480, 4614545, 4827524, 4941560, 5679440, 5837936, 6034405, 7297420, 7383272, 7426960, 9229090, 9655048, 9883120, 12068810, 14594840, 14766544, 15689453, 18458180, 19310096, 24137620, 29189680, 31378906, 36916360, 48275240, 62757812, 73832720, 78447265, 96550480, 125515624, 156894530, 251031248, 313789060, 627578120, 1255156240]

約数ペア:

[(1, 1255156240), (2, 627578120), (4, 313789060), (5, 251031248), (8, 156894530), (10, 125515624), (13, 96550480), (16, 78447265), (17, 73832720), (20, 62757812), (26, 48275240), (34, 36916360), (40, 31378906), (43, 29189680), (52, 24137620), (65, 19310096), (68, 18458180), (80, 15689453), (85, 14766544), (86, 14594840), (104, 12068810), (127, 9883120), (130, 9655048), (136, 9229090), (169, 7426960), (170, 7383272), (172, 7297420), (208, 6034405), (215, 5837936), (221, 5679440), (254, 4941560), (260, 4827524), (272, 4614545), (338, 3713480), (340, 3691636), (344, 3648710), (430, 2918968), (442, 2839720), (508, 2470780), (520, 2413762), (559, 2245360), (635, 1976624), (676, 1856740), (680, 1845818), (688, 1824355), (731, 1717040), (845, 1485392), (860, 1459484), (884, 1419860), (1016, 1235390), (1040, 1206881), (1105, 1135888), (1118, 1122680), (1270, 988312), (1352, 928370), (1360, 922909), (1462, 858520), (1651, 760240), (1690, 742696), (1720, 729742), (1768, 709930), (2032, 617695), (2159, 581360), (2210, 567944), (2236, 561340), (2540, 494156), (2704, 464185), (2795, 449072), (2873, 436880), (2924, 429260), (3302, 380120), (3380, 371348), (3440, 364871), (3536, 354965), (3655, 343408), (4318, 290680), (4420, 283972), (4472, 280670), (5080, 247078), (5461, 229840), (5590, 224536), (5746, 218440), (5848, 214630), (6604, 190060), (6760, 185674), (7267, 172720), (7310, 171704), (8255, 152048), (8636, 145340), (8840, 141986), (8944, 140335), (9503, 132080), (10160, 123539), (10795, 116272), (10922, 114920), (11180, 112268), (11492, 109220), (11696, 107315), (13208, 95030), (13520, 92837), (14365, 87376), (14534, 86360), (14620, 85852), (16510, 76024), (17272, 72670), (17680, 70993), (19006, 66040), (21463, 58480), (21590, 58136), (21844, 57460), (22360, 56134), (22984, 54610), (26416, 47515), (27305, 45968), (28067, 44720), (28730, 43688), (29068, 43180), (29240, 42926), (33020, 38012), (34544, 36335)]