138880980

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:396

約数の個数: 240

約数和(自身を含む): 512916096

約数和(自身を除く): 374035116

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 37, 42, 45, 54, 60, 63, 70, 74, 81, 84, 90, 105, 108, 111, 126, 135, 140, 148, 162, 180, 185, 189, 210, 222, 252, 259, 270, 315, 324, 331, 333, 370, 378, 405, 420, 444, 518, 540, 555, 567, 630, 662, 666, 740, 756, 777, 810, 945, 993, 999, 1036, 1110, 1134, 1260, 1295, 1324, 1332, 1554, 1620, 1655, 1665, 1890, 1986, 1998, 2220, 2268, 2317, 2331, 2590, 2835, 2979, 2997, 3108, 3310, 3330, 3780, 3885, 3972, 3996, 4634, 4662, 4965, 4995, 5180, 5670, 5958, 5994, 6620, 6660, 6951, 6993, 7770, 8937, 9268, 9324, 9930, 9990, 11340, 11585, 11655, 11916, 11988, 12247, 13902, 13986, 14895, 14985, 15540, 17874, 19860, 19980, 20853, 20979, 23170, 23310, 24494, 26811, 27804, 27972, 29790, 29970, 34755, 34965, 35748, 36741, 41706, 41958, 44685, 46340, 46620, 48988, 53622, 59580, 59940, 61235, 62559, 69510, 69930, 73482, 83412, 83916, 85729, 89370, 104265, 104895, 107244, 110223, 122470, 125118, 134055, 139020, 139860, 146964, 171458, 178740, 183705, 187677, 208530, 209790, 220446, 244940, 250236, 257187, 268110, 312795, 330669, 342916, 367410, 375354, 417060, 419580, 428645, 440892, 514374, 536220, 551115, 625590, 661338, 734820, 750708, 771561, 857290, 938385, 992007, 1028748, 1102230, 1251180, 1285935, 1322676, 1543122, 1653345, 1714580, 1876770, 1984014, 2204460, 2314683, 2571870, 3086244, 3306690, 3753540, 3857805, 3968028, 4629366, 4960035, 5143740, 6613380, 6944049, 7715610, 9258732, 9920070, 11573415, 13888098, 15431220, 19840140, 23146830, 27776196, 34720245, 46293660, 69440490, 138880980]

約数ペア:

[(1, 138880980), (2, 69440490), (3, 46293660), (4, 34720245), (5, 27776196), (6, 23146830), (7, 19840140), (9, 15431220), (10, 13888098), (12, 11573415), (14, 9920070), (15, 9258732), (18, 7715610), (20, 6944049), (21, 6613380), (27, 5143740), (28, 4960035), (30, 4629366), (35, 3968028), (36, 3857805), (37, 3753540), (42, 3306690), (45, 3086244), (54, 2571870), (60, 2314683), (63, 2204460), (70, 1984014), (74, 1876770), (81, 1714580), (84, 1653345), (90, 1543122), (105, 1322676), (108, 1285935), (111, 1251180), (126, 1102230), (135, 1028748), (140, 992007), (148, 938385), (162, 857290), (180, 771561), (185, 750708), (189, 734820), (210, 661338), (222, 625590), (252, 551115), (259, 536220), (270, 514374), (315, 440892), (324, 428645), (331, 419580), (333, 417060), (370, 375354), (378, 367410), (405, 342916), (420, 330669), (444, 312795), (518, 268110), (540, 257187), (555, 250236), (567, 244940), (630, 220446), (662, 209790), (666, 208530), (740, 187677), (756, 183705), (777, 178740), (810, 171458), (945, 146964), (993, 139860), (999, 139020), (1036, 134055), (1110, 125118), (1134, 122470), (1260, 110223), (1295, 107244), (1324, 104895), (1332, 104265), (1554, 89370), (1620, 85729), (1655, 83916), (1665, 83412), (1890, 73482), (1986, 69930), (1998, 69510), (2220, 62559), (2268, 61235), (2317, 59940), (2331, 59580), (2590, 53622), (2835, 48988), (2979, 46620), (2997, 46340), (3108, 44685), (3310, 41958), (3330, 41706), (3780, 36741), (3885, 35748), (3972, 34965), (3996, 34755), (4634, 29970), (4662, 29790), (4965, 27972), (4995, 27804), (5180, 26811), (5670, 24494), (5958, 23310), (5994, 23170), (6620, 20979), (6660, 20853), (6951, 19980), (6993, 19860), (7770, 17874), (8937, 15540), (9268, 14985), (9324, 14895), (9930, 13986), (9990, 13902), (11340, 12247), (11585, 11988), (11655, 11916)]