1780689480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{1669}}^1$

素因数の和:2223

約数の個数: 128

約数和(自身を含む): 5670518400

約数和(自身を除く): 3889828920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 523, 680, 1020, 1046, 1569, 1669, 2040, 2092, 2615, 3138, 3338, 4184, 5007, 5230, 6276, 6676, 7845, 8345, 8891, 10014, 10460, 12552, 13352, 15690, 16690, 17782, 20028, 20920, 25035, 26673, 28373, 31380, 33380, 35564, 40056, 44455, 50070, 53346, 56746, 62760, 66760, 71128, 85119, 88910, 100140, 106692, 113492, 133365, 141865, 170238, 177820, 200280, 213384, 226984, 266730, 283730, 340476, 355640, 425595, 533460, 567460, 680952, 851190, 872887, 1066920, 1134920, 1702380, 1745774, 2618661, 3404760, 3491548, 4364435, 5237322, 6983096, 8728870, 10474644, 13093305, 14839079, 17457740, 20949288, 26186610, 29678158, 34915480, 44517237, 52373220, 59356316, 74195395, 89034474, 104746440, 118712632, 148390790, 178068948, 222586185, 296781580, 356137896, 445172370, 593563160, 890344740, 1780689480]

約数ペア:

[(1, 1780689480), (2, 890344740), (3, 593563160), (4, 445172370), (5, 356137896), (6, 296781580), (8, 222586185), (10, 178068948), (12, 148390790), (15, 118712632), (17, 104746440), (20, 89034474), (24, 74195395), (30, 59356316), (34, 52373220), (40, 44517237), (51, 34915480), (60, 29678158), (68, 26186610), (85, 20949288), (102, 17457740), (120, 14839079), (136, 13093305), (170, 10474644), (204, 8728870), (255, 6983096), (340, 5237322), (408, 4364435), (510, 3491548), (523, 3404760), (680, 2618661), (1020, 1745774), (1046, 1702380), (1569, 1134920), (1669, 1066920), (2040, 872887), (2092, 851190), (2615, 680952), (3138, 567460), (3338, 533460), (4184, 425595), (5007, 355640), (5230, 340476), (6276, 283730), (6676, 266730), (7845, 226984), (8345, 213384), (8891, 200280), (10014, 177820), (10460, 170238), (12552, 141865), (13352, 133365), (15690, 113492), (16690, 106692), (17782, 100140), (20028, 88910), (20920, 85119), (25035, 71128), (26673, 66760), (28373, 62760), (31380, 56746), (33380, 53346), (35564, 50070), (40056, 44455)]