80920620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:290

約数の個数: 240

約数和(自身を含む): 292723200

約数和(自身を除く): 211802580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 27, 30, 33, 36, 38, 44, 45, 54, 55, 57, 60, 66, 76, 81, 90, 95, 99, 108, 110, 114, 132, 135, 162, 165, 171, 180, 190, 198, 209, 220, 228, 239, 270, 285, 297, 324, 330, 342, 380, 396, 405, 418, 478, 495, 513, 540, 570, 594, 627, 660, 684, 717, 810, 836, 855, 891, 956, 990, 1026, 1045, 1140, 1188, 1195, 1254, 1434, 1485, 1539, 1620, 1710, 1782, 1881, 1980, 2052, 2090, 2151, 2390, 2508, 2565, 2629, 2868, 2970, 3078, 3135, 3420, 3564, 3585, 3762, 4180, 4302, 4455, 4541, 4780, 5130, 5258, 5643, 5940, 6156, 6270, 6453, 7170, 7524, 7695, 7887, 8604, 8910, 9082, 9405, 10260, 10516, 10755, 11286, 12540, 12906, 13145, 13623, 14340, 15390, 15774, 16929, 17820, 18164, 18810, 19359, 21510, 22572, 22705, 23661, 25812, 26290, 27246, 28215, 30780, 31548, 32265, 33858, 37620, 38718, 39435, 40869, 43020, 45410, 47322, 49951, 52580, 54492, 56430, 64530, 67716, 68115, 70983, 77436, 78870, 81738, 84645, 90820, 94644, 96795, 99902, 112860, 118305, 122607, 129060, 136230, 141966, 149853, 157740, 163476, 169290, 193590, 199804, 204345, 212949, 236610, 245214, 249755, 272460, 283932, 299706, 338580, 354915, 367821, 387180, 408690, 425898, 449559, 473220, 490428, 499510, 599412, 613035, 709830, 735642, 749265, 817380, 851796, 899118, 999020, 1064745, 1226070, 1348677, 1419660, 1471284, 1498530, 1798236, 1839105, 2129490, 2247795, 2452140, 2697354, 2997060, 3678210, 4046031, 4258980, 4495590, 5394708, 6743385, 7356420, 8092062, 8991180, 13486770, 16184124, 20230155, 26973540, 40460310, 80920620]

約数ペア:

[(1, 80920620), (2, 40460310), (3, 26973540), (4, 20230155), (5, 16184124), (6, 13486770), (9, 8991180), (10, 8092062), (11, 7356420), (12, 6743385), (15, 5394708), (18, 4495590), (19, 4258980), (20, 4046031), (22, 3678210), (27, 2997060), (30, 2697354), (33, 2452140), (36, 2247795), (38, 2129490), (44, 1839105), (45, 1798236), (54, 1498530), (55, 1471284), (57, 1419660), (60, 1348677), (66, 1226070), (76, 1064745), (81, 999020), (90, 899118), (95, 851796), (99, 817380), (108, 749265), (110, 735642), (114, 709830), (132, 613035), (135, 599412), (162, 499510), (165, 490428), (171, 473220), (180, 449559), (190, 425898), (198, 408690), (209, 387180), (220, 367821), (228, 354915), (239, 338580), (270, 299706), (285, 283932), (297, 272460), (324, 249755), (330, 245214), (342, 236610), (380, 212949), (396, 204345), (405, 199804), (418, 193590), (478, 169290), (495, 163476), (513, 157740), (540, 149853), (570, 141966), (594, 136230), (627, 129060), (660, 122607), (684, 118305), (717, 112860), (810, 99902), (836, 96795), (855, 94644), (891, 90820), (956, 84645), (990, 81738), (1026, 78870), (1045, 77436), (1140, 70983), (1188, 68115), (1195, 67716), (1254, 64530), (1434, 56430), (1485, 54492), (1539, 52580), (1620, 49951), (1710, 47322), (1782, 45410), (1881, 43020), (1980, 40869), (2052, 39435), (2090, 38718), (2151, 37620), (2390, 33858), (2508, 32265), (2565, 31548), (2629, 30780), (2868, 28215), (2970, 27246), (3078, 26290), (3135, 25812), (3420, 23661), (3564, 22705), (3585, 22572), (3762, 21510), (4180, 19359), (4302, 18810), (4455, 18164), (4541, 17820), (4780, 16929), (5130, 15774), (5258, 15390), (5643, 14340), (5940, 13623), (6156, 13145), (6270, 12906), (6453, 12540), (7170, 11286), (7524, 10755), (7695, 10516), (7887, 10260), (8604, 9405), (8910, 9082)]