15543780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{311}}^1$

素因数の和:354

約数の個数: 144

約数和(自身を含む): 53778816

約数和(自身を除く): 38235036

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 49, 51, 60, 68, 70, 84, 85, 98, 102, 105, 119, 140, 147, 170, 196, 204, 210, 238, 245, 255, 294, 311, 340, 357, 420, 476, 490, 510, 588, 595, 622, 714, 735, 833, 933, 980, 1020, 1190, 1244, 1428, 1470, 1555, 1666, 1785, 1866, 2177, 2380, 2499, 2940, 3110, 3332, 3570, 3732, 4165, 4354, 4665, 4998, 5287, 6220, 6531, 7140, 8330, 8708, 9330, 9996, 10574, 10885, 12495, 13062, 15239, 15861, 16660, 18660, 21148, 21770, 24990, 26124, 26435, 30478, 31722, 32655, 37009, 43540, 45717, 49980, 52870, 60956, 63444, 65310, 74018, 76195, 79305, 91434, 105740, 111027, 130620, 148036, 152390, 158610, 182868, 185045, 222054, 228585, 259063, 304780, 317220, 370090, 444108, 457170, 518126, 555135, 740180, 777189, 914340, 1036252, 1110270, 1295315, 1554378, 2220540, 2590630, 3108756, 3885945, 5181260, 7771890, 15543780]

約数ペア:

[(1, 15543780), (2, 7771890), (3, 5181260), (4, 3885945), (5, 3108756), (6, 2590630), (7, 2220540), (10, 1554378), (12, 1295315), (14, 1110270), (15, 1036252), (17, 914340), (20, 777189), (21, 740180), (28, 555135), (30, 518126), (34, 457170), (35, 444108), (42, 370090), (49, 317220), (51, 304780), (60, 259063), (68, 228585), (70, 222054), (84, 185045), (85, 182868), (98, 158610), (102, 152390), (105, 148036), (119, 130620), (140, 111027), (147, 105740), (170, 91434), (196, 79305), (204, 76195), (210, 74018), (238, 65310), (245, 63444), (255, 60956), (294, 52870), (311, 49980), (340, 45717), (357, 43540), (420, 37009), (476, 32655), (490, 31722), (510, 30478), (588, 26435), (595, 26124), (622, 24990), (714, 21770), (735, 21148), (833, 18660), (933, 16660), (980, 15861), (1020, 15239), (1190, 13062), (1244, 12495), (1428, 10885), (1470, 10574), (1555, 9996), (1666, 9330), (1785, 8708), (1866, 8330), (2177, 7140), (2380, 6531), (2499, 6220), (2940, 5287), (3110, 4998), (3332, 4665), (3570, 4354), (3732, 4165)]