78986760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1249}}^1$

素因数の和:1311

約数の個数: 128

約数和(自身を含む): 259200000

約数和(自身を除く): 180213240

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, 1249, 1581, 1860, 2040, 2108, 2498, 2635, 3162, 3720, 3747, 4216, 4996, 5270, 6245, 6324, 7494, 7905, 9992, 10540, 12490, 12648, 14988, 15810, 18735, 21080, 21233, 24980, 29976, 31620, 37470, 38719, 42466, 49960, 63240, 63699, 74940, 77438, 84932, 106165, 116157, 127398, 149880, 154876, 169864, 193595, 212330, 232314, 254796, 309752, 318495, 387190, 424660, 464628, 509592, 580785, 636990, 658223, 774380, 849320, 929256, 1161570, 1273980, 1316446, 1548760, 1974669, 2323140, 2547960, 2632892, 3291115, 3949338, 4646280, 5265784, 6582230, 7898676, 9873345, 13164460, 15797352, 19746690, 26328920, 39493380, 78986760]

約数ペア:

[(1, 78986760), (2, 39493380), (3, 26328920), (4, 19746690), (5, 15797352), (6, 13164460), (8, 9873345), (10, 7898676), (12, 6582230), (15, 5265784), (17, 4646280), (20, 3949338), (24, 3291115), (30, 2632892), (31, 2547960), (34, 2323140), (40, 1974669), (51, 1548760), (60, 1316446), (62, 1273980), (68, 1161570), (85, 929256), (93, 849320), (102, 774380), (120, 658223), (124, 636990), (136, 580785), (155, 509592), (170, 464628), (186, 424660), (204, 387190), (248, 318495), (255, 309752), (310, 254796), (340, 232314), (372, 212330), (408, 193595), (465, 169864), (510, 154876), (527, 149880), (620, 127398), (680, 116157), (744, 106165), (930, 84932), (1020, 77438), (1054, 74940), (1240, 63699), (1249, 63240), (1581, 49960), (1860, 42466), (2040, 38719), (2108, 37470), (2498, 31620), (2635, 29976), (3162, 24980), (3720, 21233), (3747, 21080), (4216, 18735), (4996, 15810), (5270, 14988), (6245, 12648), (6324, 12490), (7494, 10540), (7905, 9992)]