161368020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:307

約数の個数: 216

約数和(自身を含む): 557706240

約数和(自身を除く): 396338220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 121, 124, 132, 155, 165, 180, 186, 198, 220, 239, 242, 279, 310, 330, 341, 363, 372, 396, 465, 478, 484, 495, 558, 605, 620, 660, 682, 717, 726, 930, 956, 990, 1023, 1089, 1116, 1195, 1210, 1364, 1395, 1434, 1452, 1705, 1815, 1860, 1980, 2046, 2151, 2178, 2390, 2420, 2629, 2790, 2868, 3069, 3410, 3585, 3630, 3751, 4092, 4302, 4356, 4780, 5115, 5258, 5445, 5580, 6138, 6820, 7170, 7260, 7409, 7502, 7887, 8604, 10230, 10516, 10755, 10890, 11253, 12276, 13145, 14340, 14818, 15004, 15345, 15774, 18755, 20460, 21510, 21780, 22227, 22506, 23661, 26290, 28919, 29636, 30690, 31548, 33759, 37045, 37510, 39435, 43020, 44454, 45012, 47322, 52580, 56265, 57838, 61380, 66681, 67518, 74090, 75020, 78870, 81499, 86757, 88908, 94644, 111135, 112530, 115676, 118305, 133362, 135036, 144595, 148180, 157740, 162998, 168795, 173514, 222270, 225060, 236610, 244497, 260271, 266724, 289190, 325996, 333405, 337590, 347028, 407495, 433785, 444540, 473220, 488994, 520542, 578380, 666810, 675180, 733491, 814990, 867570, 896489, 977988, 1041084, 1222485, 1301355, 1333620, 1466982, 1629980, 1735140, 1792978, 2444970, 2602710, 2689467, 2933964, 3585956, 3667455, 4482445, 4889940, 5205420, 5378934, 7334910, 8068401, 8964890, 10757868, 13447335, 14669820, 16136802, 17929780, 26894670, 32273604, 40342005, 53789340, 80684010, 161368020]

約数ペア:

[(1, 161368020), (2, 80684010), (3, 53789340), (4, 40342005), (5, 32273604), (6, 26894670), (9, 17929780), (10, 16136802), (11, 14669820), (12, 13447335), (15, 10757868), (18, 8964890), (20, 8068401), (22, 7334910), (30, 5378934), (31, 5205420), (33, 4889940), (36, 4482445), (44, 3667455), (45, 3585956), (55, 2933964), (60, 2689467), (62, 2602710), (66, 2444970), (90, 1792978), (93, 1735140), (99, 1629980), (110, 1466982), (121, 1333620), (124, 1301355), (132, 1222485), (155, 1041084), (165, 977988), (180, 896489), (186, 867570), (198, 814990), (220, 733491), (239, 675180), (242, 666810), (279, 578380), (310, 520542), (330, 488994), (341, 473220), (363, 444540), (372, 433785), (396, 407495), (465, 347028), (478, 337590), (484, 333405), (495, 325996), (558, 289190), (605, 266724), (620, 260271), (660, 244497), (682, 236610), (717, 225060), (726, 222270), (930, 173514), (956, 168795), (990, 162998), (1023, 157740), (1089, 148180), (1116, 144595), (1195, 135036), (1210, 133362), (1364, 118305), (1395, 115676), (1434, 112530), (1452, 111135), (1705, 94644), (1815, 88908), (1860, 86757), (1980, 81499), (2046, 78870), (2151, 75020), (2178, 74090), (2390, 67518), (2420, 66681), (2629, 61380), (2790, 57838), (2868, 56265), (3069, 52580), (3410, 47322), (3585, 45012), (3630, 44454), (3751, 43020), (4092, 39435), (4302, 37510), (4356, 37045), (4780, 33759), (5115, 31548), (5258, 30690), (5445, 29636), (5580, 28919), (6138, 26290), (6820, 23661), (7170, 22506), (7260, 22227), (7409, 21780), (7502, 21510), (7887, 20460), (8604, 18755), (10230, 15774), (10516, 15345), (10755, 15004), (10890, 14818), (11253, 14340), (12276, 13145)]