518554920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{677}}^1$

素因数の和:1195

約数の個数: 128

約数和(自身を含む): 1681223040

約数和(自身を除く): 1162668120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 491, 520, 677, 780, 982, 1354, 1473, 1560, 1964, 2031, 2455, 2708, 2946, 3385, 3928, 4062, 4910, 5416, 5892, 6383, 6770, 7365, 8124, 8801, 9820, 10155, 11784, 12766, 13540, 14730, 16248, 17602, 19149, 19640, 20310, 25532, 26403, 27080, 29460, 31915, 35204, 38298, 40620, 44005, 51064, 52806, 58920, 63830, 70408, 76596, 81240, 88010, 95745, 105612, 127660, 132015, 153192, 176020, 191490, 211224, 255320, 264030, 332407, 352040, 382980, 528060, 664814, 765960, 997221, 1056120, 1329628, 1662035, 1994442, 2659256, 3324070, 3988884, 4321291, 4986105, 6648140, 7977768, 8642582, 9972210, 12963873, 13296280, 17285164, 19944420, 21606455, 25927746, 34570328, 39888840, 43212910, 51855492, 64819365, 86425820, 103710984, 129638730, 172851640, 259277460, 518554920]

約数ペア:

[(1, 518554920), (2, 259277460), (3, 172851640), (4, 129638730), (5, 103710984), (6, 86425820), (8, 64819365), (10, 51855492), (12, 43212910), (13, 39888840), (15, 34570328), (20, 25927746), (24, 21606455), (26, 19944420), (30, 17285164), (39, 13296280), (40, 12963873), (52, 9972210), (60, 8642582), (65, 7977768), (78, 6648140), (104, 4986105), (120, 4321291), (130, 3988884), (156, 3324070), (195, 2659256), (260, 1994442), (312, 1662035), (390, 1329628), (491, 1056120), (520, 997221), (677, 765960), (780, 664814), (982, 528060), (1354, 382980), (1473, 352040), (1560, 332407), (1964, 264030), (2031, 255320), (2455, 211224), (2708, 191490), (2946, 176020), (3385, 153192), (3928, 132015), (4062, 127660), (4910, 105612), (5416, 95745), (5892, 88010), (6383, 81240), (6770, 76596), (7365, 70408), (8124, 63830), (8801, 58920), (9820, 52806), (10155, 51064), (11784, 44005), (12766, 40620), (13540, 38298), (14730, 35204), (16248, 31915), (17602, 29460), (19149, 27080), (19640, 26403), (20310, 25532)]