68069820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{137}}^1$

素因数の和:189

約数の個数: 216

約数和(自身を含む): 241832304

約数和(自身を除く): 173762484

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 137, 140, 147, 156, 169, 182, 195, 196, 210, 245, 260, 273, 274, 294, 338, 364, 390, 411, 420, 455, 490, 507, 546, 548, 588, 637, 676, 685, 735, 780, 822, 845, 910, 959, 980, 1014, 1092, 1183, 1274, 1365, 1370, 1470, 1644, 1690, 1781, 1820, 1911, 1918, 2028, 2055, 2366, 2535, 2548, 2730, 2740, 2877, 2940, 3185, 3380, 3549, 3562, 3822, 3836, 4110, 4732, 4795, 5070, 5343, 5460, 5754, 5915, 6370, 6713, 7098, 7124, 7644, 8220, 8281, 8905, 9555, 9590, 10140, 10686, 11508, 11830, 12467, 12740, 13426, 14196, 14385, 16562, 17745, 17810, 19110, 19180, 20139, 21372, 23153, 23660, 24843, 24934, 26715, 26852, 28770, 33124, 33565, 35490, 35620, 37401, 38220, 40278, 41405, 46306, 49686, 49868, 53430, 57540, 62335, 67130, 69459, 70980, 74802, 80556, 82810, 87269, 92612, 99372, 100695, 106860, 115765, 124215, 124670, 134260, 138918, 149604, 162071, 165620, 174538, 187005, 201390, 231530, 248430, 249340, 261807, 277836, 324142, 347295, 349076, 374010, 402780, 436345, 463060, 486213, 496860, 523614, 648284, 694590, 748020, 810355, 872690, 972426, 1047228, 1134497, 1309035, 1389180, 1620710, 1745380, 1944852, 2268994, 2431065, 2618070, 3241420, 3403491, 4537988, 4862130, 5236140, 5672485, 6806982, 9724260, 11344970, 13613964, 17017455, 22689940, 34034910, 68069820]

約数ペア:

[(1, 68069820), (2, 34034910), (3, 22689940), (4, 17017455), (5, 13613964), (6, 11344970), (7, 9724260), (10, 6806982), (12, 5672485), (13, 5236140), (14, 4862130), (15, 4537988), (20, 3403491), (21, 3241420), (26, 2618070), (28, 2431065), (30, 2268994), (35, 1944852), (39, 1745380), (42, 1620710), (49, 1389180), (52, 1309035), (60, 1134497), (65, 1047228), (70, 972426), (78, 872690), (84, 810355), (91, 748020), (98, 694590), (105, 648284), (130, 523614), (137, 496860), (140, 486213), (147, 463060), (156, 436345), (169, 402780), (182, 374010), (195, 349076), (196, 347295), (210, 324142), (245, 277836), (260, 261807), (273, 249340), (274, 248430), (294, 231530), (338, 201390), (364, 187005), (390, 174538), (411, 165620), (420, 162071), (455, 149604), (490, 138918), (507, 134260), (546, 124670), (548, 124215), (588, 115765), (637, 106860), (676, 100695), (685, 99372), (735, 92612), (780, 87269), (822, 82810), (845, 80556), (910, 74802), (959, 70980), (980, 69459), (1014, 67130), (1092, 62335), (1183, 57540), (1274, 53430), (1365, 49868), (1370, 49686), (1470, 46306), (1644, 41405), (1690, 40278), (1781, 38220), (1820, 37401), (1911, 35620), (1918, 35490), (2028, 33565), (2055, 33124), (2366, 28770), (2535, 26852), (2548, 26715), (2730, 24934), (2740, 24843), (2877, 23660), (2940, 23153), (3185, 21372), (3380, 20139), (3549, 19180), (3562, 19110), (3822, 17810), (3836, 17745), (4110, 16562), (4732, 14385), (4795, 14196), (5070, 13426), (5343, 12740), (5460, 12467), (5754, 11830), (5915, 11508), (6370, 10686), (6713, 10140), (7098, 9590), (7124, 9555), (7644, 8905), (8220, 8281)]