68878040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:166

約数の個数: 192

約数和(自身を含む): 206841600

約数和(自身を除く): 137963560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 88, 95, 107, 110, 121, 133, 140, 152, 154, 190, 209, 214, 220, 242, 266, 280, 308, 380, 385, 418, 428, 440, 484, 532, 535, 605, 616, 665, 749, 760, 770, 836, 847, 856, 968, 1045, 1064, 1070, 1177, 1210, 1330, 1463, 1498, 1540, 1672, 1694, 2033, 2090, 2140, 2299, 2354, 2420, 2660, 2926, 2996, 3080, 3388, 3745, 4066, 4180, 4235, 4280, 4598, 4708, 4840, 5320, 5852, 5885, 5992, 6776, 7315, 7490, 8132, 8239, 8360, 8470, 9196, 9416, 10165, 11495, 11704, 11770, 12947, 14231, 14630, 14980, 16093, 16264, 16478, 16940, 18392, 20330, 22363, 22990, 23540, 25894, 28462, 29260, 29960, 32186, 32956, 33880, 40660, 41195, 44726, 45980, 47080, 51788, 56924, 58520, 64372, 64735, 65912, 71155, 80465, 81320, 82390, 89452, 90629, 91960, 103576, 111815, 113848, 128744, 129470, 142310, 156541, 160930, 164780, 178904, 181258, 223630, 245993, 258940, 284620, 313082, 321860, 329560, 362516, 447260, 453145, 491986, 517880, 569240, 626164, 643720, 725032, 782705, 894520, 906290, 983972, 1229965, 1252328, 1565410, 1721951, 1812580, 1967944, 2459930, 3130820, 3443902, 3625160, 4919860, 6261640, 6887804, 8609755, 9839720, 13775608, 17219510, 34439020, 68878040]

約数ペア:

[(1, 68878040), (2, 34439020), (4, 17219510), (5, 13775608), (7, 9839720), (8, 8609755), (10, 6887804), (11, 6261640), (14, 4919860), (19, 3625160), (20, 3443902), (22, 3130820), (28, 2459930), (35, 1967944), (38, 1812580), (40, 1721951), (44, 1565410), (55, 1252328), (56, 1229965), (70, 983972), (76, 906290), (77, 894520), (88, 782705), (95, 725032), (107, 643720), (110, 626164), (121, 569240), (133, 517880), (140, 491986), (152, 453145), (154, 447260), (190, 362516), (209, 329560), (214, 321860), (220, 313082), (242, 284620), (266, 258940), (280, 245993), (308, 223630), (380, 181258), (385, 178904), (418, 164780), (428, 160930), (440, 156541), (484, 142310), (532, 129470), (535, 128744), (605, 113848), (616, 111815), (665, 103576), (749, 91960), (760, 90629), (770, 89452), (836, 82390), (847, 81320), (856, 80465), (968, 71155), (1045, 65912), (1064, 64735), (1070, 64372), (1177, 58520), (1210, 56924), (1330, 51788), (1463, 47080), (1498, 45980), (1540, 44726), (1672, 41195), (1694, 40660), (2033, 33880), (2090, 32956), (2140, 32186), (2299, 29960), (2354, 29260), (2420, 28462), (2660, 25894), (2926, 23540), (2996, 22990), (3080, 22363), (3388, 20330), (3745, 18392), (4066, 16940), (4180, 16478), (4235, 16264), (4280, 16093), (4598, 14980), (4708, 14630), (4840, 14231), (5320, 12947), (5852, 11770), (5885, 11704), (5992, 11495), (6776, 10165), (7315, 9416), (7490, 9196), (8132, 8470), (8239, 8360)]