81973320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1$

素因数の和:336

約数の個数: 256

約数和(自身を含む): 306996480

約数和(自身を除く): 225023160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 17, 20, 22, 24, 26, 30, 33, 34, 39, 40, 44, 51, 52, 55, 60, 65, 66, 68, 78, 85, 88, 102, 104, 110, 120, 130, 132, 136, 143, 156, 165, 170, 187, 195, 204, 220, 221, 255, 260, 264, 281, 286, 312, 330, 340, 374, 390, 408, 429, 440, 442, 510, 520, 561, 562, 572, 660, 663, 680, 715, 748, 780, 843, 858, 884, 935, 1020, 1105, 1122, 1124, 1144, 1320, 1326, 1405, 1430, 1496, 1560, 1686, 1716, 1768, 1870, 2040, 2145, 2210, 2244, 2248, 2431, 2652, 2805, 2810, 2860, 3091, 3315, 3372, 3432, 3653, 3740, 4215, 4290, 4420, 4488, 4777, 4862, 5304, 5610, 5620, 5720, 6182, 6630, 6744, 7293, 7306, 7480, 8430, 8580, 8840, 9273, 9554, 9724, 10959, 11220, 11240, 12155, 12364, 13260, 14331, 14586, 14612, 15455, 16860, 17160, 18265, 18546, 19108, 19448, 21918, 22440, 23885, 24310, 24728, 26520, 28662, 29172, 29224, 30910, 33720, 36465, 36530, 37092, 38216, 40183, 43836, 46365, 47770, 48620, 52547, 54795, 57324, 58344, 61820, 62101, 71655, 72930, 73060, 74184, 80366, 87672, 92730, 95540, 97240, 105094, 109590, 114648, 120549, 123640, 124202, 143310, 145860, 146120, 157641, 160732, 185460, 186303, 191080, 200915, 210188, 219180, 241098, 248404, 262735, 286620, 291720, 310505, 315282, 321464, 370920, 372606, 401830, 420376, 438360, 482196, 496808, 525470, 573240, 602745, 621010, 630564, 683111, 745212, 788205, 803660, 931515, 964392, 1050940, 1205490, 1242020, 1261128, 1366222, 1490424, 1576410, 1607320, 1863030, 2049333, 2101880, 2410980, 2484040, 2732444, 3152820, 3415555, 3726060, 4098666, 4821960, 5464888, 6305640, 6831110, 7452120, 8197332, 10246665, 13662220, 16394664, 20493330, 27324440, 40986660, 81973320]

約数ペア:

[(1, 81973320), (2, 40986660), (3, 27324440), (4, 20493330), (5, 16394664), (6, 13662220), (8, 10246665), (10, 8197332), (11, 7452120), (12, 6831110), (13, 6305640), (15, 5464888), (17, 4821960), (20, 4098666), (22, 3726060), (24, 3415555), (26, 3152820), (30, 2732444), (33, 2484040), (34, 2410980), (39, 2101880), (40, 2049333), (44, 1863030), (51, 1607320), (52, 1576410), (55, 1490424), (60, 1366222), (65, 1261128), (66, 1242020), (68, 1205490), (78, 1050940), (85, 964392), (88, 931515), (102, 803660), (104, 788205), (110, 745212), (120, 683111), (130, 630564), (132, 621010), (136, 602745), (143, 573240), (156, 525470), (165, 496808), (170, 482196), (187, 438360), (195, 420376), (204, 401830), (220, 372606), (221, 370920), (255, 321464), (260, 315282), (264, 310505), (281, 291720), (286, 286620), (312, 262735), (330, 248404), (340, 241098), (374, 219180), (390, 210188), (408, 200915), (429, 191080), (440, 186303), (442, 185460), (510, 160732), (520, 157641), (561, 146120), (562, 145860), (572, 143310), (660, 124202), (663, 123640), (680, 120549), (715, 114648), (748, 109590), (780, 105094), (843, 97240), (858, 95540), (884, 92730), (935, 87672), (1020, 80366), (1105, 74184), (1122, 73060), (1124, 72930), (1144, 71655), (1320, 62101), (1326, 61820), (1405, 58344), (1430, 57324), (1496, 54795), (1560, 52547), (1686, 48620), (1716, 47770), (1768, 46365), (1870, 43836), (2040, 40183), (2145, 38216), (2210, 37092), (2244, 36530), (2248, 36465), (2431, 33720), (2652, 30910), (2805, 29224), (2810, 29172), (2860, 28662), (3091, 26520), (3315, 24728), (3372, 24310), (3432, 23885), (3653, 22440), (3740, 21918), (4215, 19448), (4290, 19108), (4420, 18546), (4488, 18265), (4777, 17160), (4862, 16860), (5304, 15455), (5610, 14612), (5620, 14586), (5720, 14331), (6182, 13260), (6630, 12364), (6744, 12155), (7293, 11240), (7306, 11220), (7480, 10959), (8430, 9724), (8580, 9554), (8840, 9273)]