68572140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:712

約数の個数: 192

約数和(自身を含む): 249123840

約数和(自身を除く): 180551700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 19, 20, 21, 26, 28, 30, 35, 38, 39, 42, 52, 57, 60, 65, 70, 76, 78, 84, 91, 95, 105, 114, 130, 133, 140, 156, 182, 190, 195, 210, 228, 247, 260, 266, 273, 285, 364, 380, 390, 399, 420, 455, 494, 532, 546, 570, 661, 665, 741, 780, 798, 910, 988, 1092, 1140, 1235, 1322, 1330, 1365, 1482, 1596, 1729, 1820, 1983, 1995, 2470, 2644, 2660, 2730, 2964, 3305, 3458, 3705, 3966, 3990, 4627, 4940, 5187, 5460, 6610, 6916, 7410, 7932, 7980, 8593, 8645, 9254, 9915, 10374, 12559, 13220, 13881, 14820, 17186, 17290, 18508, 19830, 20748, 23135, 25118, 25779, 25935, 27762, 34372, 34580, 37677, 39660, 42965, 46270, 50236, 51558, 51870, 55524, 60151, 62795, 69405, 75354, 85930, 87913, 92540, 103116, 103740, 120302, 125590, 128895, 138810, 150708, 163267, 171860, 175826, 180453, 188385, 240604, 251180, 257790, 263739, 277620, 300755, 326534, 351652, 360906, 376770, 439565, 489801, 515580, 527478, 601510, 653068, 721812, 753540, 816335, 879130, 902265, 979602, 1054956, 1142869, 1203020, 1318695, 1632670, 1758260, 1804530, 1959204, 2285738, 2449005, 2637390, 3265340, 3428607, 3609060, 4571476, 4898010, 5274780, 5714345, 6857214, 9796020, 11428690, 13714428, 17143035, 22857380, 34286070, 68572140]

約数ペア:

[(1, 68572140), (2, 34286070), (3, 22857380), (4, 17143035), (5, 13714428), (6, 11428690), (7, 9796020), (10, 6857214), (12, 5714345), (13, 5274780), (14, 4898010), (15, 4571476), (19, 3609060), (20, 3428607), (21, 3265340), (26, 2637390), (28, 2449005), (30, 2285738), (35, 1959204), (38, 1804530), (39, 1758260), (42, 1632670), (52, 1318695), (57, 1203020), (60, 1142869), (65, 1054956), (70, 979602), (76, 902265), (78, 879130), (84, 816335), (91, 753540), (95, 721812), (105, 653068), (114, 601510), (130, 527478), (133, 515580), (140, 489801), (156, 439565), (182, 376770), (190, 360906), (195, 351652), (210, 326534), (228, 300755), (247, 277620), (260, 263739), (266, 257790), (273, 251180), (285, 240604), (364, 188385), (380, 180453), (390, 175826), (399, 171860), (420, 163267), (455, 150708), (494, 138810), (532, 128895), (546, 125590), (570, 120302), (661, 103740), (665, 103116), (741, 92540), (780, 87913), (798, 85930), (910, 75354), (988, 69405), (1092, 62795), (1140, 60151), (1235, 55524), (1322, 51870), (1330, 51558), (1365, 50236), (1482, 46270), (1596, 42965), (1729, 39660), (1820, 37677), (1983, 34580), (1995, 34372), (2470, 27762), (2644, 25935), (2660, 25779), (2730, 25118), (2964, 23135), (3305, 20748), (3458, 19830), (3705, 18508), (3966, 17290), (3990, 17186), (4627, 14820), (4940, 13881), (5187, 13220), (5460, 12559), (6610, 10374), (6916, 9915), (7410, 9254), (7932, 8645), (7980, 8593)]