1398565620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{953}}^1$

素因数の和:1262

約数の個数: 144

約数和(自身を含む): 4400428032

約数和(自身を除く): 3001862412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 263, 279, 310, 372, 465, 526, 558, 620, 789, 930, 953, 1052, 1116, 1315, 1395, 1578, 1860, 1906, 2367, 2630, 2790, 2859, 3156, 3812, 3945, 4734, 4765, 5260, 5580, 5718, 7890, 8153, 8577, 9468, 9530, 11436, 11835, 14295, 15780, 16306, 17154, 19060, 23670, 24459, 28590, 29543, 32612, 34308, 40765, 42885, 47340, 48918, 57180, 59086, 73377, 81530, 85770, 88629, 97836, 118172, 122295, 146754, 147715, 163060, 171540, 177258, 244590, 250639, 265887, 293508, 295430, 354516, 366885, 443145, 489180, 501278, 531774, 590860, 733770, 751917, 886290, 1002556, 1063548, 1253195, 1329435, 1467540, 1503834, 1772580, 2255751, 2506390, 2658870, 3007668, 3759585, 4511502, 5012780, 5317740, 7519170, 7769809, 9023004, 11278755, 15038340, 15539618, 22557510, 23309427, 31079236, 38849045, 45115020, 46618854, 69928281, 77698090, 93237708, 116547135, 139856562, 155396180, 233094270, 279713124, 349641405, 466188540, 699282810, 1398565620]

約数ペア:

[(1, 1398565620), (2, 699282810), (3, 466188540), (4, 349641405), (5, 279713124), (6, 233094270), (9, 155396180), (10, 139856562), (12, 116547135), (15, 93237708), (18, 77698090), (20, 69928281), (30, 46618854), (31, 45115020), (36, 38849045), (45, 31079236), (60, 23309427), (62, 22557510), (90, 15539618), (93, 15038340), (124, 11278755), (155, 9023004), (180, 7769809), (186, 7519170), (263, 5317740), (279, 5012780), (310, 4511502), (372, 3759585), (465, 3007668), (526, 2658870), (558, 2506390), (620, 2255751), (789, 1772580), (930, 1503834), (953, 1467540), (1052, 1329435), (1116, 1253195), (1315, 1063548), (1395, 1002556), (1578, 886290), (1860, 751917), (1906, 733770), (2367, 590860), (2630, 531774), (2790, 501278), (2859, 489180), (3156, 443145), (3812, 366885), (3945, 354516), (4734, 295430), (4765, 293508), (5260, 265887), (5580, 250639), (5718, 244590), (7890, 177258), (8153, 171540), (8577, 163060), (9468, 147715), (9530, 146754), (11436, 122295), (11835, 118172), (14295, 97836), (15780, 88629), (16306, 85770), (17154, 81530), (19060, 73377), (23670, 59086), (24459, 57180), (28590, 48918), (29543, 47340), (32612, 42885), (34308, 40765)]