765951720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1889}}^1$

素因数の和:2043

約数の個数: 128

約数和(自身を含む): 2395008000

約数和(自身を除く): 1629056280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 109, 120, 124, 155, 186, 218, 248, 310, 327, 372, 436, 465, 545, 620, 654, 744, 872, 930, 1090, 1240, 1308, 1635, 1860, 1889, 2180, 2616, 3270, 3379, 3720, 3778, 4360, 5667, 6540, 6758, 7556, 9445, 10137, 11334, 13080, 13516, 15112, 16895, 18890, 20274, 22668, 27032, 28335, 33790, 37780, 40548, 45336, 50685, 56670, 58559, 67580, 75560, 81096, 101370, 113340, 117118, 135160, 175677, 202740, 205901, 226680, 234236, 292795, 351354, 405480, 411802, 468472, 585590, 617703, 702708, 823604, 878385, 1029505, 1171180, 1235406, 1405416, 1647208, 1756770, 2059010, 2342360, 2470812, 3088515, 3513540, 4118020, 4941624, 6177030, 6382931, 7027080, 8236040, 12354060, 12765862, 19148793, 24708120, 25531724, 31914655, 38297586, 51063448, 63829310, 76595172, 95743965, 127658620, 153190344, 191487930, 255317240, 382975860, 765951720]

約数ペア:

[(1, 765951720), (2, 382975860), (3, 255317240), (4, 191487930), (5, 153190344), (6, 127658620), (8, 95743965), (10, 76595172), (12, 63829310), (15, 51063448), (20, 38297586), (24, 31914655), (30, 25531724), (31, 24708120), (40, 19148793), (60, 12765862), (62, 12354060), (93, 8236040), (109, 7027080), (120, 6382931), (124, 6177030), (155, 4941624), (186, 4118020), (218, 3513540), (248, 3088515), (310, 2470812), (327, 2342360), (372, 2059010), (436, 1756770), (465, 1647208), (545, 1405416), (620, 1235406), (654, 1171180), (744, 1029505), (872, 878385), (930, 823604), (1090, 702708), (1240, 617703), (1308, 585590), (1635, 468472), (1860, 411802), (1889, 405480), (2180, 351354), (2616, 292795), (3270, 234236), (3379, 226680), (3720, 205901), (3778, 202740), (4360, 175677), (5667, 135160), (6540, 117118), (6758, 113340), (7556, 101370), (9445, 81096), (10137, 75560), (11334, 67580), (13080, 58559), (13516, 56670), (15112, 50685), (16895, 45336), (18890, 40548), (20274, 37780), (22668, 33790), (27032, 28335)]