665109840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:509

約数の個数: 160

約数和(自身を含む): 2115614592

約数和(自身を除く): 1450504752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 181, 183, 240, 244, 251, 305, 362, 366, 488, 502, 543, 610, 724, 732, 753, 905, 915, 976, 1004, 1086, 1220, 1255, 1448, 1464, 1506, 1810, 1830, 2008, 2172, 2440, 2510, 2715, 2896, 2928, 3012, 3620, 3660, 3765, 4016, 4344, 4880, 5020, 5430, 6024, 7240, 7320, 7530, 8688, 10040, 10860, 11041, 12048, 14480, 14640, 15060, 15311, 20080, 21720, 22082, 30120, 30622, 33123, 43440, 44164, 45431, 45933, 55205, 60240, 61244, 66246, 76555, 88328, 90862, 91866, 110410, 122488, 132492, 136293, 153110, 165615, 176656, 181724, 183732, 220820, 227155, 229665, 244976, 264984, 272586, 306220, 331230, 363448, 367464, 441640, 454310, 459330, 529968, 545172, 612440, 662460, 681465, 726896, 734928, 883280, 908620, 918660, 1090344, 1224880, 1324920, 1362930, 1817240, 1837320, 2180688, 2649840, 2725860, 2771291, 3634480, 3674640, 5451720, 5542582, 8313873, 10903440, 11085164, 13856455, 16627746, 22170328, 27712910, 33255492, 41569365, 44340656, 55425820, 66510984, 83138730, 110851640, 133021968, 166277460, 221703280, 332554920, 665109840]

約数ペア:

[(1, 665109840), (2, 332554920), (3, 221703280), (4, 166277460), (5, 133021968), (6, 110851640), (8, 83138730), (10, 66510984), (12, 55425820), (15, 44340656), (16, 41569365), (20, 33255492), (24, 27712910), (30, 22170328), (40, 16627746), (48, 13856455), (60, 11085164), (61, 10903440), (80, 8313873), (120, 5542582), (122, 5451720), (181, 3674640), (183, 3634480), (240, 2771291), (244, 2725860), (251, 2649840), (305, 2180688), (362, 1837320), (366, 1817240), (488, 1362930), (502, 1324920), (543, 1224880), (610, 1090344), (724, 918660), (732, 908620), (753, 883280), (905, 734928), (915, 726896), (976, 681465), (1004, 662460), (1086, 612440), (1220, 545172), (1255, 529968), (1448, 459330), (1464, 454310), (1506, 441640), (1810, 367464), (1830, 363448), (2008, 331230), (2172, 306220), (2440, 272586), (2510, 264984), (2715, 244976), (2896, 229665), (2928, 227155), (3012, 220820), (3620, 183732), (3660, 181724), (3765, 176656), (4016, 165615), (4344, 153110), (4880, 136293), (5020, 132492), (5430, 122488), (6024, 110410), (7240, 91866), (7320, 90862), (7530, 88328), (8688, 76555), (10040, 66246), (10860, 61244), (11041, 60240), (12048, 55205), (14480, 45933), (14640, 45431), (15060, 44164), (15311, 43440), (20080, 33123), (21720, 30622), (22082, 30120)]