1301181720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1\times {\mathrm{547}}^1$

素因数の和:1065

約数の個数: 128

約数和(自身を含む): 4010307840

約数和(自身を除く): 2709126120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 461, 516, 547, 645, 860, 922, 1032, 1094, 1290, 1383, 1641, 1720, 1844, 2188, 2305, 2580, 2735, 2766, 3282, 3688, 4376, 4610, 5160, 5470, 5532, 6564, 6915, 8205, 9220, 10940, 11064, 13128, 13830, 16410, 18440, 19823, 21880, 23521, 27660, 32820, 39646, 47042, 55320, 59469, 65640, 70563, 79292, 94084, 99115, 117605, 118938, 141126, 158584, 188168, 198230, 235210, 237876, 252167, 282252, 297345, 352815, 396460, 470420, 475752, 504334, 564504, 594690, 705630, 756501, 792920, 940840, 1008668, 1189380, 1260835, 1411260, 1513002, 2017336, 2378760, 2521670, 2822520, 3026004, 3782505, 5043340, 6052008, 7565010, 10086680, 10843181, 15130020, 21686362, 30260040, 32529543, 43372724, 54215905, 65059086, 86745448, 108431810, 130118172, 162647715, 216863620, 260236344, 325295430, 433727240, 650590860, 1301181720]

約数ペア:

[(1, 1301181720), (2, 650590860), (3, 433727240), (4, 325295430), (5, 260236344), (6, 216863620), (8, 162647715), (10, 130118172), (12, 108431810), (15, 86745448), (20, 65059086), (24, 54215905), (30, 43372724), (40, 32529543), (43, 30260040), (60, 21686362), (86, 15130020), (120, 10843181), (129, 10086680), (172, 7565010), (215, 6052008), (258, 5043340), (344, 3782505), (430, 3026004), (461, 2822520), (516, 2521670), (547, 2378760), (645, 2017336), (860, 1513002), (922, 1411260), (1032, 1260835), (1094, 1189380), (1290, 1008668), (1383, 940840), (1641, 792920), (1720, 756501), (1844, 705630), (2188, 594690), (2305, 564504), (2580, 504334), (2735, 475752), (2766, 470420), (3282, 396460), (3688, 352815), (4376, 297345), (4610, 282252), (5160, 252167), (5470, 237876), (5532, 235210), (6564, 198230), (6915, 188168), (8205, 158584), (9220, 141126), (10940, 118938), (11064, 117605), (13128, 99115), (13830, 94084), (16410, 79292), (18440, 70563), (19823, 65640), (21880, 59469), (23521, 55320), (27660, 47042), (32820, 39646)]