68831490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1327}}^1$

素因数の和:1376

約数の個数: 128

約数和(自身を含む): 214179840

約数和(自身を除く): 145348350

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 19, 21, 26, 30, 35, 38, 39, 42, 57, 65, 70, 78, 91, 95, 105, 114, 130, 133, 182, 190, 195, 210, 247, 266, 273, 285, 390, 399, 455, 494, 546, 570, 665, 741, 798, 910, 1235, 1327, 1330, 1365, 1482, 1729, 1995, 2470, 2654, 2730, 3458, 3705, 3981, 3990, 5187, 6635, 7410, 7962, 8645, 9289, 10374, 13270, 17251, 17290, 18578, 19905, 25213, 25935, 27867, 34502, 39810, 46445, 50426, 51753, 51870, 55734, 75639, 86255, 92890, 103506, 120757, 126065, 139335, 151278, 172510, 176491, 241514, 252130, 258765, 278670, 327769, 352982, 362271, 378195, 517530, 529473, 603785, 655538, 724542, 756390, 882455, 983307, 1058946, 1207570, 1638845, 1764910, 1811355, 1966614, 2294383, 2647365, 3277690, 3622710, 4588766, 4916535, 5294730, 6883149, 9833070, 11471915, 13766298, 22943830, 34415745, 68831490]

約数ペア:

[(1, 68831490), (2, 34415745), (3, 22943830), (5, 13766298), (6, 11471915), (7, 9833070), (10, 6883149), (13, 5294730), (14, 4916535), (15, 4588766), (19, 3622710), (21, 3277690), (26, 2647365), (30, 2294383), (35, 1966614), (38, 1811355), (39, 1764910), (42, 1638845), (57, 1207570), (65, 1058946), (70, 983307), (78, 882455), (91, 756390), (95, 724542), (105, 655538), (114, 603785), (130, 529473), (133, 517530), (182, 378195), (190, 362271), (195, 352982), (210, 327769), (247, 278670), (266, 258765), (273, 252130), (285, 241514), (390, 176491), (399, 172510), (455, 151278), (494, 139335), (546, 126065), (570, 120757), (665, 103506), (741, 92890), (798, 86255), (910, 75639), (1235, 55734), (1327, 51870), (1330, 51753), (1365, 50426), (1482, 46445), (1729, 39810), (1995, 34502), (2470, 27867), (2654, 25935), (2730, 25213), (3458, 19905), (3705, 18578), (3981, 17290), (3990, 17251), (5187, 13270), (6635, 10374), (7410, 9289), (7962, 8645)]