7489851720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{154877}}^1$

素因数の和:154935

約数の個数: 128

約数和(自身を含む): 24978723840

約数和(自身を除く): 17488872120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1560, 1612, 1860, 2015, 2418, 3224, 3720, 4030, 4836, 6045, 8060, 9672, 12090, 16120, 24180, 48360, 154877, 309754, 464631, 619508, 774385, 929262, 1239016, 1548770, 1858524, 2013401, 2323155, 3097540, 3717048, 4026802, 4646310, 4801187, 6040203, 6195080, 8053604, 9292620, 9602374, 10067005, 12080406, 14403561, 16107208, 18585240, 19204748, 20134010, 24005935, 24160812, 28807122, 30201015, 38409496, 40268020, 48011870, 48321624, 57614244, 60402030, 62415431, 72017805, 80536040, 96023740, 115228488, 120804060, 124830862, 144035610, 187246293, 192047480, 241608120, 249661724, 288071220, 312077155, 374492586, 499323448, 576142440, 624154310, 748985172, 936231465, 1248308620, 1497970344, 1872462930, 2496617240, 3744925860, 7489851720]

約数ペア:

[(1, 7489851720), (2, 3744925860), (3, 2496617240), (4, 1872462930), (5, 1497970344), (6, 1248308620), (8, 936231465), (10, 748985172), (12, 624154310), (13, 576142440), (15, 499323448), (20, 374492586), (24, 312077155), (26, 288071220), (30, 249661724), (31, 241608120), (39, 192047480), (40, 187246293), (52, 144035610), (60, 124830862), (62, 120804060), (65, 115228488), (78, 96023740), (93, 80536040), (104, 72017805), (120, 62415431), (124, 60402030), (130, 57614244), (155, 48321624), (156, 48011870), (186, 40268020), (195, 38409496), (248, 30201015), (260, 28807122), (310, 24160812), (312, 24005935), (372, 20134010), (390, 19204748), (403, 18585240), (465, 16107208), (520, 14403561), (620, 12080406), (744, 10067005), (780, 9602374), (806, 9292620), (930, 8053604), (1209, 6195080), (1240, 6040203), (1560, 4801187), (1612, 4646310), (1860, 4026802), (2015, 3717048), (2418, 3097540), (3224, 2323155), (3720, 2013401), (4030, 1858524), (4836, 1548770), (6045, 1239016), (8060, 929262), (9672, 774385), (12090, 619508), (16120, 464631), (24180, 309754), (48360, 154877)]