87861780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{563}}^1$

素因数の和:615

約数の個数: 144

約数和(自身を含む): 290888640

約数和(自身を除く): 203026860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 204, 255, 270, 289, 306, 340, 459, 510, 540, 563, 578, 612, 765, 867, 918, 1020, 1126, 1156, 1445, 1530, 1689, 1734, 1836, 2252, 2295, 2601, 2815, 2890, 3060, 3378, 3468, 4335, 4590, 5067, 5202, 5630, 5780, 6756, 7803, 8445, 8670, 9180, 9571, 10134, 10404, 11260, 13005, 15201, 15606, 16890, 17340, 19142, 20268, 25335, 26010, 28713, 30402, 31212, 33780, 38284, 39015, 47855, 50670, 52020, 57426, 60804, 76005, 78030, 86139, 95710, 101340, 114852, 143565, 152010, 156060, 162707, 172278, 191420, 258417, 287130, 304020, 325414, 344556, 430695, 488121, 516834, 574260, 650828, 813535, 861390, 976242, 1033668, 1292085, 1464363, 1627070, 1722780, 1952484, 2440605, 2584170, 2928726, 3254140, 4393089, 4881210, 5168340, 5857452, 7321815, 8786178, 9762420, 14643630, 17572356, 21965445, 29287260, 43930890, 87861780]

約数ペア:

[(1, 87861780), (2, 43930890), (3, 29287260), (4, 21965445), (5, 17572356), (6, 14643630), (9, 9762420), (10, 8786178), (12, 7321815), (15, 5857452), (17, 5168340), (18, 4881210), (20, 4393089), (27, 3254140), (30, 2928726), (34, 2584170), (36, 2440605), (45, 1952484), (51, 1722780), (54, 1627070), (60, 1464363), (68, 1292085), (85, 1033668), (90, 976242), (102, 861390), (108, 813535), (135, 650828), (153, 574260), (170, 516834), (180, 488121), (204, 430695), (255, 344556), (270, 325414), (289, 304020), (306, 287130), (340, 258417), (459, 191420), (510, 172278), (540, 162707), (563, 156060), (578, 152010), (612, 143565), (765, 114852), (867, 101340), (918, 95710), (1020, 86139), (1126, 78030), (1156, 76005), (1445, 60804), (1530, 57426), (1689, 52020), (1734, 50670), (1836, 47855), (2252, 39015), (2295, 38284), (2601, 33780), (2815, 31212), (2890, 30402), (3060, 28713), (3378, 26010), (3468, 25335), (4335, 20268), (4590, 19142), (5067, 17340), (5202, 16890), (5630, 15606), (5780, 15201), (6756, 13005), (7803, 11260), (8445, 10404), (8670, 10134), (9180, 9571)]