1580551440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{7561}}^1$

素因数の和:7657

約数の個数: 160

約数和(自身を含む): 5356073856

約数和(自身を除く): 3775522416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 67, 78, 80, 104, 120, 130, 134, 156, 195, 201, 208, 240, 260, 268, 312, 335, 390, 402, 520, 536, 624, 670, 780, 804, 871, 1005, 1040, 1072, 1340, 1560, 1608, 1742, 2010, 2613, 2680, 3120, 3216, 3484, 4020, 4355, 5226, 5360, 6968, 7561, 8040, 8710, 10452, 13065, 13936, 15122, 16080, 17420, 20904, 22683, 26130, 30244, 34840, 37805, 41808, 45366, 52260, 60488, 69680, 75610, 90732, 98293, 104520, 113415, 120976, 151220, 181464, 196586, 209040, 226830, 294879, 302440, 362928, 393172, 453660, 491465, 506587, 589758, 604880, 786344, 907320, 982930, 1013174, 1179516, 1474395, 1519761, 1572688, 1814640, 1965860, 2026348, 2359032, 2532935, 2948790, 3039522, 3931720, 4052696, 4718064, 5065870, 5897580, 6079044, 6585631, 7598805, 7863440, 8105392, 10131740, 11795160, 12158088, 13171262, 15197610, 19756893, 20263480, 23590320, 24316176, 26342524, 30395220, 32928155, 39513786, 40526960, 52685048, 60790440, 65856310, 79027572, 98784465, 105370096, 121580880, 131712620, 158055144, 197568930, 263425240, 316110288, 395137860, 526850480, 790275720, 1580551440]

約数ペア:

[(1, 1580551440), (2, 790275720), (3, 526850480), (4, 395137860), (5, 316110288), (6, 263425240), (8, 197568930), (10, 158055144), (12, 131712620), (13, 121580880), (15, 105370096), (16, 98784465), (20, 79027572), (24, 65856310), (26, 60790440), (30, 52685048), (39, 40526960), (40, 39513786), (48, 32928155), (52, 30395220), (60, 26342524), (65, 24316176), (67, 23590320), (78, 20263480), (80, 19756893), (104, 15197610), (120, 13171262), (130, 12158088), (134, 11795160), (156, 10131740), (195, 8105392), (201, 7863440), (208, 7598805), (240, 6585631), (260, 6079044), (268, 5897580), (312, 5065870), (335, 4718064), (390, 4052696), (402, 3931720), (520, 3039522), (536, 2948790), (624, 2532935), (670, 2359032), (780, 2026348), (804, 1965860), (871, 1814640), (1005, 1572688), (1040, 1519761), (1072, 1474395), (1340, 1179516), (1560, 1013174), (1608, 982930), (1742, 907320), (2010, 786344), (2613, 604880), (2680, 589758), (3120, 506587), (3216, 491465), (3484, 453660), (4020, 393172), (4355, 362928), (5226, 302440), (5360, 294879), (6968, 226830), (7561, 209040), (8040, 196586), (8710, 181464), (10452, 151220), (13065, 120976), (13936, 113415), (15122, 104520), (16080, 98293), (17420, 90732), (20904, 75610), (22683, 69680), (26130, 60488), (30244, 52260), (34840, 45366), (37805, 41808)]