82401720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1303}}^1$

素因数の和:1365

約数の個数: 128

約数和(自身を含む): 270397440

約数和(自身を除く): 187995720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 62, 68, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 248, 255, 310, 340, 372, 408, 465, 510, 527, 620, 680, 744, 930, 1020, 1054, 1240, 1303, 1581, 1860, 2040, 2108, 2606, 2635, 3162, 3720, 3909, 4216, 5212, 5270, 6324, 6515, 7818, 7905, 10424, 10540, 12648, 13030, 15636, 15810, 19545, 21080, 22151, 26060, 31272, 31620, 39090, 40393, 44302, 52120, 63240, 66453, 78180, 80786, 88604, 110755, 121179, 132906, 156360, 161572, 177208, 201965, 221510, 242358, 265812, 323144, 332265, 403930, 443020, 484716, 531624, 605895, 664530, 686681, 807860, 886040, 969432, 1211790, 1329060, 1373362, 1615720, 2060043, 2423580, 2658120, 2746724, 3433405, 4120086, 4847160, 5493448, 6866810, 8240172, 10300215, 13733620, 16480344, 20600430, 27467240, 41200860, 82401720]

約数ペア:

[(1, 82401720), (2, 41200860), (3, 27467240), (4, 20600430), (5, 16480344), (6, 13733620), (8, 10300215), (10, 8240172), (12, 6866810), (15, 5493448), (17, 4847160), (20, 4120086), (24, 3433405), (30, 2746724), (31, 2658120), (34, 2423580), (40, 2060043), (51, 1615720), (60, 1373362), (62, 1329060), (68, 1211790), (85, 969432), (93, 886040), (102, 807860), (120, 686681), (124, 664530), (136, 605895), (155, 531624), (170, 484716), (186, 443020), (204, 403930), (248, 332265), (255, 323144), (310, 265812), (340, 242358), (372, 221510), (408, 201965), (465, 177208), (510, 161572), (527, 156360), (620, 132906), (680, 121179), (744, 110755), (930, 88604), (1020, 80786), (1054, 78180), (1240, 66453), (1303, 63240), (1581, 52120), (1860, 44302), (2040, 40393), (2108, 39090), (2606, 31620), (2635, 31272), (3162, 26060), (3720, 22151), (3909, 21080), (4216, 19545), (5212, 15810), (5270, 15636), (6324, 13030), (6515, 12648), (7818, 10540), (7905, 10424)]