18861890040

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{831653}}^1$

素因数の和:831683

約数の個数: 160

約数和(自身を含む): 72453696480

約数和(自身を除く): 53591806440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 945, 1080, 1134, 1260, 1512, 1620, 1890, 2268, 2520, 2835, 3240, 3780, 4536, 5670, 7560, 11340, 22680, 831653, 1663306, 2494959, 3326612, 4158265, 4989918, 5821571, 6653224, 7484877, 8316530, 9979836, 11643142, 12474795, 14969754, 16633060, 17464713, 19959672, 22454631, 23286284, 24949590, 29107855, 29939508, 33266120, 34929426, 37424385, 44909262, 46572568, 49899180, 52394139, 58215710, 59879016, 67363893, 69858852, 74848770, 87323565, 89818524, 99798360, 104788278, 112273155, 116431420, 134727786, 139717704, 149697540, 157182417, 174647130, 179637048, 209576556, 224546310, 232862840, 261970695, 269455572, 299395080, 314364834, 336819465, 349294260, 419153112, 449092620, 471547251, 523941390, 538911144, 628729668, 673638930, 698588520, 785912085, 898185240, 943094502, 1047882780, 1257459336, 1347277860, 1571824170, 1886189004, 2095765560, 2357736255, 2694555720, 3143648340, 3772378008, 4715472510, 6287296680, 9430945020, 18861890040]

約数ペア:

[(1, 18861890040), (2, 9430945020), (3, 6287296680), (4, 4715472510), (5, 3772378008), (6, 3143648340), (7, 2694555720), (8, 2357736255), (9, 2095765560), (10, 1886189004), (12, 1571824170), (14, 1347277860), (15, 1257459336), (18, 1047882780), (20, 943094502), (21, 898185240), (24, 785912085), (27, 698588520), (28, 673638930), (30, 628729668), (35, 538911144), (36, 523941390), (40, 471547251), (42, 449092620), (45, 419153112), (54, 349294260), (56, 336819465), (60, 314364834), (63, 299395080), (70, 269455572), (72, 261970695), (81, 232862840), (84, 224546310), (90, 209576556), (105, 179637048), (108, 174647130), (120, 157182417), (126, 149697540), (135, 139717704), (140, 134727786), (162, 116431420), (168, 112273155), (180, 104788278), (189, 99798360), (210, 89818524), (216, 87323565), (252, 74848770), (270, 69858852), (280, 67363893), (315, 59879016), (324, 58215710), (360, 52394139), (378, 49899180), (405, 46572568), (420, 44909262), (504, 37424385), (540, 34929426), (567, 33266120), (630, 29939508), (648, 29107855), (756, 24949590), (810, 23286284), (840, 22454631), (945, 19959672), (1080, 17464713), (1134, 16633060), (1260, 14969754), (1512, 12474795), (1620, 11643142), (1890, 9979836), (2268, 8316530), (2520, 7484877), (2835, 6653224), (3240, 5821571), (3780, 4989918), (4536, 4158265), (5670, 3326612), (7560, 2494959), (11340, 1663306), (22680, 831653)]