68130560

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 180133632

約数和(自身を除く): 112003072

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 101, 124, 128, 136, 155, 160, 170, 202, 248, 256, 272, 310, 320, 340, 404, 496, 505, 527, 544, 620, 640, 680, 808, 992, 1010, 1054, 1088, 1240, 1280, 1360, 1616, 1717, 1984, 2020, 2108, 2176, 2480, 2635, 2720, 3131, 3232, 3434, 3968, 4040, 4216, 4352, 4960, 5270, 5440, 6262, 6464, 6868, 7936, 8080, 8432, 8585, 9920, 10540, 10880, 12524, 12928, 13736, 15655, 16160, 16864, 17170, 19840, 21080, 21760, 25048, 25856, 27472, 31310, 32320, 33728, 34340, 39680, 42160, 50096, 53227, 54944, 62620, 64640, 67456, 68680, 84320, 100192, 106454, 109888, 125240, 129280, 134912, 137360, 168640, 200384, 212908, 219776, 250480, 266135, 274720, 337280, 400768, 425816, 439552, 500960, 532270, 549440, 674560, 801536, 851632, 1001920, 1064540, 1098880, 1703264, 2003840, 2129080, 2197760, 3406528, 4007680, 4258160, 6813056, 8516320, 13626112, 17032640, 34065280, 68130560]

約数ペア:

[(1, 68130560), (2, 34065280), (4, 17032640), (5, 13626112), (8, 8516320), (10, 6813056), (16, 4258160), (17, 4007680), (20, 3406528), (31, 2197760), (32, 2129080), (34, 2003840), (40, 1703264), (62, 1098880), (64, 1064540), (68, 1001920), (80, 851632), (85, 801536), (101, 674560), (124, 549440), (128, 532270), (136, 500960), (155, 439552), (160, 425816), (170, 400768), (202, 337280), (248, 274720), (256, 266135), (272, 250480), (310, 219776), (320, 212908), (340, 200384), (404, 168640), (496, 137360), (505, 134912), (527, 129280), (544, 125240), (620, 109888), (640, 106454), (680, 100192), (808, 84320), (992, 68680), (1010, 67456), (1054, 64640), (1088, 62620), (1240, 54944), (1280, 53227), (1360, 50096), (1616, 42160), (1717, 39680), (1984, 34340), (2020, 33728), (2108, 32320), (2176, 31310), (2480, 27472), (2635, 25856), (2720, 25048), (3131, 21760), (3232, 21080), (3434, 19840), (3968, 17170), (4040, 16864), (4216, 16160), (4352, 15655), (4960, 13736), (5270, 12928), (5440, 12524), (6262, 10880), (6464, 10540), (6868, 9920), (7936, 8585), (8080, 8432)]