1707720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:147

約数の個数: 128

約数和(自身を含む): 6220800

約数和(自身を除く): 4513080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 107, 114, 120, 133, 140, 152, 168, 190, 210, 214, 228, 266, 280, 285, 321, 380, 399, 420, 428, 456, 532, 535, 570, 642, 665, 749, 760, 798, 840, 856, 1064, 1070, 1140, 1284, 1330, 1498, 1596, 1605, 1995, 2033, 2140, 2247, 2280, 2568, 2660, 2996, 3192, 3210, 3745, 3990, 4066, 4280, 4494, 5320, 5992, 6099, 6420, 7490, 7980, 8132, 8988, 10165, 11235, 12198, 12840, 14231, 14980, 15960, 16264, 17976, 20330, 22470, 24396, 28462, 29960, 30495, 40660, 42693, 44940, 48792, 56924, 60990, 71155, 81320, 85386, 89880, 113848, 121980, 142310, 170772, 213465, 243960, 284620, 341544, 426930, 569240, 853860, 1707720]

約数ペア:

[(1, 1707720), (2, 853860), (3, 569240), (4, 426930), (5, 341544), (6, 284620), (7, 243960), (8, 213465), (10, 170772), (12, 142310), (14, 121980), (15, 113848), (19, 89880), (20, 85386), (21, 81320), (24, 71155), (28, 60990), (30, 56924), (35, 48792), (38, 44940), (40, 42693), (42, 40660), (56, 30495), (57, 29960), (60, 28462), (70, 24396), (76, 22470), (84, 20330), (95, 17976), (105, 16264), (107, 15960), (114, 14980), (120, 14231), (133, 12840), (140, 12198), (152, 11235), (168, 10165), (190, 8988), (210, 8132), (214, 7980), (228, 7490), (266, 6420), (280, 6099), (285, 5992), (321, 5320), (380, 4494), (399, 4280), (420, 4066), (428, 3990), (456, 3745), (532, 3210), (535, 3192), (570, 2996), (642, 2660), (665, 2568), (749, 2280), (760, 2247), (798, 2140), (840, 2033), (856, 1995), (1064, 1605), (1070, 1596), (1140, 1498), (1284, 1330)]