140981820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{607}}^1$

素因数の和:712

約数の個数: 144

約数和(自身を含む): 465776640

約数和(自身を除く): 324794820

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, 140, 147, 158, 196, 210, 237, 245, 294, 316, 395, 420, 474, 490, 553, 588, 607, 735, 790, 948, 980, 1106, 1185, 1214, 1470, 1580, 1659, 1821, 2212, 2370, 2428, 2765, 2940, 3035, 3318, 3642, 3871, 4249, 4740, 5530, 6070, 6636, 7284, 7742, 8295, 8498, 9105, 11060, 11613, 12140, 12747, 15484, 16590, 16996, 18210, 19355, 21245, 23226, 25494, 29743, 33180, 36420, 38710, 42490, 46452, 47953, 50988, 58065, 59486, 63735, 77420, 84980, 89229, 95906, 116130, 118972, 127470, 143859, 148715, 178458, 191812, 232260, 239765, 254940, 287718, 297430, 335671, 356916, 446145, 479530, 575436, 594860, 671342, 719295, 892290, 959060, 1007013, 1342684, 1438590, 1678355, 1784580, 2014026, 2349697, 2877180, 3356710, 4028052, 4699394, 5035065, 6713420, 7049091, 9398788, 10070130, 11748485, 14098182, 20140260, 23496970, 28196364, 35245455, 46993940, 70490910, 140981820]

約数ペア:

[(1, 140981820), (2, 70490910), (3, 46993940), (4, 35245455), (5, 28196364), (6, 23496970), (7, 20140260), (10, 14098182), (12, 11748485), (14, 10070130), (15, 9398788), (20, 7049091), (21, 6713420), (28, 5035065), (30, 4699394), (35, 4028052), (42, 3356710), (49, 2877180), (60, 2349697), (70, 2014026), (79, 1784580), (84, 1678355), (98, 1438590), (105, 1342684), (140, 1007013), (147, 959060), (158, 892290), (196, 719295), (210, 671342), (237, 594860), (245, 575436), (294, 479530), (316, 446145), (395, 356916), (420, 335671), (474, 297430), (490, 287718), (553, 254940), (588, 239765), (607, 232260), (735, 191812), (790, 178458), (948, 148715), (980, 143859), (1106, 127470), (1185, 118972), (1214, 116130), (1470, 95906), (1580, 89229), (1659, 84980), (1821, 77420), (2212, 63735), (2370, 59486), (2428, 58065), (2765, 50988), (2940, 47953), (3035, 46452), (3318, 42490), (3642, 38710), (3871, 36420), (4249, 33180), (4740, 29743), (5530, 25494), (6070, 23226), (6636, 21245), (7284, 19355), (7742, 18210), (8295, 16996), (8498, 16590), (9105, 15484), (11060, 12747), (11613, 12140)]