68460840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{3881}}^1$

素因数の和:3912

約数の個数: 144

約数和(自身を含む): 258890580

約数和(自身を除く): 190429740

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 3881, 4410, 5880, 7762, 8820, 11643, 15524, 17640, 19405, 23286, 27167, 31048, 34929, 38810, 46572, 54334, 58215, 69858, 77620, 81501, 93144, 108668, 116430, 135835, 139716, 155240, 163002, 174645, 190169, 217336, 232860, 244503, 271670, 279432, 326004, 349290, 380338, 407505, 465720, 489006, 543340, 570507, 652008, 698580, 760676, 815010, 950845, 978012, 1086680, 1141014, 1222515, 1397160, 1521352, 1630020, 1711521, 1901690, 1956024, 2282028, 2445030, 2852535, 3260040, 3423042, 3803380, 4564056, 4890060, 5705070, 6846084, 7606760, 8557605, 9780120, 11410140, 13692168, 17115210, 22820280, 34230420, 68460840]

約数ペア:

[(1, 68460840), (2, 34230420), (3, 22820280), (4, 17115210), (5, 13692168), (6, 11410140), (7, 9780120), (8, 8557605), (9, 7606760), (10, 6846084), (12, 5705070), (14, 4890060), (15, 4564056), (18, 3803380), (20, 3423042), (21, 3260040), (24, 2852535), (28, 2445030), (30, 2282028), (35, 1956024), (36, 1901690), (40, 1711521), (42, 1630020), (45, 1521352), (49, 1397160), (56, 1222515), (60, 1141014), (63, 1086680), (70, 978012), (72, 950845), (84, 815010), (90, 760676), (98, 698580), (105, 652008), (120, 570507), (126, 543340), (140, 489006), (147, 465720), (168, 407505), (180, 380338), (196, 349290), (210, 326004), (245, 279432), (252, 271670), (280, 244503), (294, 232860), (315, 217336), (360, 190169), (392, 174645), (420, 163002), (441, 155240), (490, 139716), (504, 135835), (588, 116430), (630, 108668), (735, 93144), (840, 81501), (882, 77620), (980, 69858), (1176, 58215), (1260, 54334), (1470, 46572), (1764, 38810), (1960, 34929), (2205, 31048), (2520, 27167), (2940, 23286), (3528, 19405), (3881, 17640), (4410, 15524), (5880, 11643), (7762, 8820)]