193987620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:482

約数の個数: 144

約数和(自身を含む): 612323712

約数和(自身を除く): 418336092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 71, 86, 90, 129, 142, 172, 180, 213, 215, 258, 284, 353, 355, 387, 426, 430, 516, 639, 645, 706, 710, 774, 852, 860, 1059, 1065, 1278, 1290, 1412, 1420, 1548, 1765, 1935, 2118, 2130, 2556, 2580, 3053, 3177, 3195, 3530, 3870, 4236, 4260, 5295, 6106, 6354, 6390, 7060, 7740, 9159, 10590, 12212, 12708, 12780, 15179, 15265, 15885, 18318, 21180, 25063, 27477, 30358, 30530, 31770, 36636, 45537, 45795, 50126, 54954, 60716, 61060, 63540, 75189, 75895, 91074, 91590, 100252, 109908, 125315, 136611, 137385, 150378, 151790, 182148, 183180, 225567, 227685, 250630, 273222, 274770, 300756, 303580, 375945, 451134, 455370, 501260, 546444, 549540, 683055, 751890, 902268, 910740, 1077709, 1127835, 1366110, 1503780, 2155418, 2255670, 2732220, 3233127, 4310836, 4511340, 5388545, 6466254, 9699381, 10777090, 12932508, 16165635, 19398762, 21554180, 32331270, 38797524, 48496905, 64662540, 96993810, 193987620]

約数ペア:

[(1, 193987620), (2, 96993810), (3, 64662540), (4, 48496905), (5, 38797524), (6, 32331270), (9, 21554180), (10, 19398762), (12, 16165635), (15, 12932508), (18, 10777090), (20, 9699381), (30, 6466254), (36, 5388545), (43, 4511340), (45, 4310836), (60, 3233127), (71, 2732220), (86, 2255670), (90, 2155418), (129, 1503780), (142, 1366110), (172, 1127835), (180, 1077709), (213, 910740), (215, 902268), (258, 751890), (284, 683055), (353, 549540), (355, 546444), (387, 501260), (426, 455370), (430, 451134), (516, 375945), (639, 303580), (645, 300756), (706, 274770), (710, 273222), (774, 250630), (852, 227685), (860, 225567), (1059, 183180), (1065, 182148), (1278, 151790), (1290, 150378), (1412, 137385), (1420, 136611), (1548, 125315), (1765, 109908), (1935, 100252), (2118, 91590), (2130, 91074), (2556, 75895), (2580, 75189), (3053, 63540), (3177, 61060), (3195, 60716), (3530, 54954), (3870, 50126), (4236, 45795), (4260, 45537), (5295, 36636), (6106, 31770), (6354, 30530), (6390, 30358), (7060, 27477), (7740, 25063), (9159, 21180), (10590, 18318), (12212, 15885), (12708, 15265), (12780, 15179)]