1557336620

素因数分解:

$2^2\times 5^1\times 7^5\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:198

約数の個数: 144

約数和(自身を含む): 3943090368

約数和(自身を除く): 2385753748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 113, 140, 164, 196, 205, 226, 245, 287, 343, 410, 452, 490, 565, 574, 686, 791, 820, 980, 1130, 1148, 1372, 1435, 1582, 1715, 2009, 2260, 2401, 2870, 3164, 3430, 3955, 4018, 4633, 4802, 5537, 5740, 6860, 7910, 8036, 9266, 9604, 10045, 11074, 12005, 14063, 15820, 16807, 18532, 20090, 22148, 23165, 24010, 27685, 28126, 32431, 33614, 38759, 40180, 46330, 48020, 55370, 56252, 64862, 67228, 70315, 77518, 84035, 92660, 98441, 110740, 129724, 140630, 155036, 162155, 168070, 193795, 196882, 227017, 271313, 281260, 324310, 336140, 387590, 393764, 454034, 492205, 542626, 648620, 689087, 775180, 908068, 984410, 1085252, 1135085, 1356565, 1378174, 1589119, 1899191, 1968820, 2270170, 2713130, 2756348, 3178238, 3445435, 3798382, 4540340, 5426260, 6356476, 6890870, 7596764, 7945595, 9495955, 11123833, 13781740, 15891190, 18991910, 22247666, 31782380, 37983820, 44495332, 55619165, 77866831, 111238330, 155733662, 222476660, 311467324, 389334155, 778668310, 1557336620]

約数ペア:

[(1, 1557336620), (2, 778668310), (4, 389334155), (5, 311467324), (7, 222476660), (10, 155733662), (14, 111238330), (20, 77866831), (28, 55619165), (35, 44495332), (41, 37983820), (49, 31782380), (70, 22247666), (82, 18991910), (98, 15891190), (113, 13781740), (140, 11123833), (164, 9495955), (196, 7945595), (205, 7596764), (226, 6890870), (245, 6356476), (287, 5426260), (343, 4540340), (410, 3798382), (452, 3445435), (490, 3178238), (565, 2756348), (574, 2713130), (686, 2270170), (791, 1968820), (820, 1899191), (980, 1589119), (1130, 1378174), (1148, 1356565), (1372, 1135085), (1435, 1085252), (1582, 984410), (1715, 908068), (2009, 775180), (2260, 689087), (2401, 648620), (2870, 542626), (3164, 492205), (3430, 454034), (3955, 393764), (4018, 387590), (4633, 336140), (4802, 324310), (5537, 281260), (5740, 271313), (6860, 227017), (7910, 196882), (8036, 193795), (9266, 168070), (9604, 162155), (10045, 155036), (11074, 140630), (12005, 129724), (14063, 110740), (15820, 98441), (16807, 92660), (18532, 84035), (20090, 77518), (22148, 70315), (23165, 67228), (24010, 64862), (27685, 56252), (28126, 55370), (32431, 48020), (33614, 46330), (38759, 40180)]