1285498760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{191}}^1$

素因数の和:308

約数の個数: 192

約数和(自身を含む): 3663636480

約数和(自身を除く): 2378137720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 43, 52, 56, 65, 70, 86, 91, 104, 130, 140, 172, 182, 191, 215, 260, 280, 301, 344, 364, 382, 430, 455, 520, 559, 602, 728, 764, 860, 910, 955, 1118, 1204, 1337, 1505, 1528, 1720, 1820, 1849, 1910, 2236, 2408, 2483, 2674, 2795, 3010, 3640, 3698, 3820, 3913, 4472, 4966, 5348, 5590, 6020, 6685, 7396, 7640, 7826, 8213, 9245, 9932, 10696, 11180, 12040, 12415, 12943, 13370, 14792, 15652, 16426, 17381, 18490, 19565, 19864, 22360, 24037, 24830, 25886, 26740, 31304, 32852, 34762, 36980, 39130, 41065, 48074, 49660, 51772, 53480, 57491, 64715, 65704, 69524, 73960, 78260, 82130, 86905, 96148, 99320, 103544, 106769, 114982, 120185, 129430, 139048, 156520, 164260, 168259, 173810, 192296, 213538, 229964, 240370, 258860, 287455, 328520, 336518, 347620, 353159, 427076, 459928, 480740, 517720, 533845, 574910, 673036, 695240, 706318, 747383, 841295, 854152, 961480, 1067690, 1149820, 1346072, 1412636, 1494766, 1682590, 1765795, 2135380, 2299640, 2472113, 2825272, 2989532, 3365180, 3531590, 3736915, 4270760, 4591067, 4944226, 5979064, 6730360, 7063180, 7473830, 9182134, 9888452, 12360565, 14126360, 14947660, 18364268, 19776904, 22955335, 24721130, 29895320, 32137469, 36728536, 45910670, 49442260, 64274938, 91821340, 98884520, 128549876, 160687345, 183642680, 257099752, 321374690, 642749380, 1285498760]

約数ペア:

[(1, 1285498760), (2, 642749380), (4, 321374690), (5, 257099752), (7, 183642680), (8, 160687345), (10, 128549876), (13, 98884520), (14, 91821340), (20, 64274938), (26, 49442260), (28, 45910670), (35, 36728536), (40, 32137469), (43, 29895320), (52, 24721130), (56, 22955335), (65, 19776904), (70, 18364268), (86, 14947660), (91, 14126360), (104, 12360565), (130, 9888452), (140, 9182134), (172, 7473830), (182, 7063180), (191, 6730360), (215, 5979064), (260, 4944226), (280, 4591067), (301, 4270760), (344, 3736915), (364, 3531590), (382, 3365180), (430, 2989532), (455, 2825272), (520, 2472113), (559, 2299640), (602, 2135380), (728, 1765795), (764, 1682590), (860, 1494766), (910, 1412636), (955, 1346072), (1118, 1149820), (1204, 1067690), (1337, 961480), (1505, 854152), (1528, 841295), (1720, 747383), (1820, 706318), (1849, 695240), (1910, 673036), (2236, 574910), (2408, 533845), (2483, 517720), (2674, 480740), (2795, 459928), (3010, 427076), (3640, 353159), (3698, 347620), (3820, 336518), (3913, 328520), (4472, 287455), (4966, 258860), (5348, 240370), (5590, 229964), (6020, 213538), (6685, 192296), (7396, 173810), (7640, 168259), (7826, 164260), (8213, 156520), (9245, 139048), (9932, 129430), (10696, 120185), (11180, 114982), (12040, 106769), (12415, 103544), (12943, 99320), (13370, 96148), (14792, 86905), (15652, 82130), (16426, 78260), (17381, 73960), (18490, 69524), (19565, 65704), (19864, 64715), (22360, 57491), (24037, 53480), (24830, 51772), (25886, 49660), (26740, 48074), (31304, 41065), (32852, 39130), (34762, 36980)]