818136720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{727}}^1$

素因数の和:1270

約数の個数: 160

約数和(自身を含む): 2827319040

約数和(自身を除く): 2009182320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 521, 540, 720, 727, 1042, 1080, 1454, 1563, 2084, 2160, 2181, 2605, 2908, 3126, 3635, 4168, 4362, 4689, 5210, 5816, 6252, 6543, 7270, 7815, 8336, 8724, 9378, 10420, 10905, 11632, 12504, 13086, 14067, 14540, 15630, 17448, 18756, 19629, 20840, 21810, 23445, 25008, 26172, 28134, 29080, 31260, 32715, 34896, 37512, 39258, 41680, 43620, 46890, 52344, 56268, 58160, 62520, 65430, 70335, 75024, 78516, 87240, 93780, 98145, 104688, 112536, 125040, 130860, 140670, 157032, 174480, 187560, 196290, 225072, 261720, 281340, 314064, 375120, 378767, 392580, 523440, 562680, 757534, 785160, 1125360, 1136301, 1515068, 1570320, 1893835, 2272602, 3030136, 3408903, 3787670, 4545204, 5681505, 6060272, 6817806, 7575340, 9090408, 10226709, 11363010, 13635612, 15150680, 17044515, 18180816, 20453418, 22726020, 27271224, 30301360, 34089030, 40906836, 45452040, 51133545, 54542448, 68178060, 81813672, 90904080, 102267090, 136356120, 163627344, 204534180, 272712240, 409068360, 818136720]

約数ペア:

[(1, 818136720), (2, 409068360), (3, 272712240), (4, 204534180), (5, 163627344), (6, 136356120), (8, 102267090), (9, 90904080), (10, 81813672), (12, 68178060), (15, 54542448), (16, 51133545), (18, 45452040), (20, 40906836), (24, 34089030), (27, 30301360), (30, 27271224), (36, 22726020), (40, 20453418), (45, 18180816), (48, 17044515), (54, 15150680), (60, 13635612), (72, 11363010), (80, 10226709), (90, 9090408), (108, 7575340), (120, 6817806), (135, 6060272), (144, 5681505), (180, 4545204), (216, 3787670), (240, 3408903), (270, 3030136), (360, 2272602), (432, 1893835), (521, 1570320), (540, 1515068), (720, 1136301), (727, 1125360), (1042, 785160), (1080, 757534), (1454, 562680), (1563, 523440), (2084, 392580), (2160, 378767), (2181, 375120), (2605, 314064), (2908, 281340), (3126, 261720), (3635, 225072), (4168, 196290), (4362, 187560), (4689, 174480), (5210, 157032), (5816, 140670), (6252, 130860), (6543, 125040), (7270, 112536), (7815, 104688), (8336, 98145), (8724, 93780), (9378, 87240), (10420, 78516), (10905, 75024), (11632, 70335), (12504, 65430), (13086, 62520), (14067, 58160), (14540, 56268), (15630, 52344), (17448, 46890), (18756, 43620), (19629, 41680), (20840, 39258), (21810, 37512), (23445, 34896), (25008, 32715), (26172, 31260), (28134, 29080)]