206479140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:239

約数の個数: 192

約数和(自身を含む): 688128000

約数和(自身を除く): 481648860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 79, 84, 98, 105, 127, 140, 147, 158, 196, 210, 237, 245, 254, 294, 316, 343, 381, 395, 420, 474, 490, 508, 553, 588, 635, 686, 735, 762, 790, 889, 948, 980, 1029, 1106, 1185, 1270, 1372, 1470, 1524, 1580, 1659, 1715, 1778, 1905, 2058, 2212, 2370, 2540, 2667, 2765, 2940, 3318, 3430, 3556, 3810, 3871, 4116, 4445, 4740, 5145, 5334, 5530, 6223, 6636, 6860, 7620, 7742, 8295, 8890, 10033, 10290, 10668, 11060, 11613, 12446, 13335, 15484, 16590, 17780, 18669, 19355, 20066, 20580, 23226, 24892, 26670, 27097, 30099, 31115, 33180, 37338, 38710, 40132, 43561, 46452, 50165, 53340, 54194, 58065, 60198, 62230, 70231, 74676, 77420, 81291, 87122, 93345, 100330, 108388, 116130, 120396, 124460, 130683, 135485, 140462, 150495, 162582, 174244, 186690, 200660, 210693, 217805, 232260, 261366, 270970, 280924, 300990, 325164, 351155, 373380, 406455, 421386, 435610, 491617, 522732, 541940, 601980, 653415, 702310, 812910, 842772, 871220, 983234, 1053465, 1306830, 1404620, 1474851, 1625820, 1966468, 2106930, 2458085, 2613660, 2949702, 3441319, 4213860, 4916170, 5899404, 6882638, 7374255, 9832340, 10323957, 13765276, 14748510, 17206595, 20647914, 29497020, 34413190, 41295828, 51619785, 68826380, 103239570, 206479140]

約数ペア:

[(1, 206479140), (2, 103239570), (3, 68826380), (4, 51619785), (5, 41295828), (6, 34413190), (7, 29497020), (10, 20647914), (12, 17206595), (14, 14748510), (15, 13765276), (20, 10323957), (21, 9832340), (28, 7374255), (30, 6882638), (35, 5899404), (42, 4916170), (49, 4213860), (60, 3441319), (70, 2949702), (79, 2613660), (84, 2458085), (98, 2106930), (105, 1966468), (127, 1625820), (140, 1474851), (147, 1404620), (158, 1306830), (196, 1053465), (210, 983234), (237, 871220), (245, 842772), (254, 812910), (294, 702310), (316, 653415), (343, 601980), (381, 541940), (395, 522732), (420, 491617), (474, 435610), (490, 421386), (508, 406455), (553, 373380), (588, 351155), (635, 325164), (686, 300990), (735, 280924), (762, 270970), (790, 261366), (889, 232260), (948, 217805), (980, 210693), (1029, 200660), (1106, 186690), (1185, 174244), (1270, 162582), (1372, 150495), (1470, 140462), (1524, 135485), (1580, 130683), (1659, 124460), (1715, 120396), (1778, 116130), (1905, 108388), (2058, 100330), (2212, 93345), (2370, 87122), (2540, 81291), (2667, 77420), (2765, 74676), (2940, 70231), (3318, 62230), (3430, 60198), (3556, 58065), (3810, 54194), (3871, 53340), (4116, 50165), (4445, 46452), (4740, 43561), (5145, 40132), (5334, 38710), (5530, 37338), (6223, 33180), (6636, 31115), (6860, 30099), (7620, 27097), (7742, 26670), (8295, 24892), (8890, 23226), (10033, 20580), (10290, 20066), (10668, 19355), (11060, 18669), (11613, 17780), (12446, 16590), (13335, 15484)]