80584420

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{691}}^1$

素因数の和:738

約数の個数: 96

約数和(自身を含む): 209260800

約数和(自身を除く): 128676380

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 343, 476, 490, 595, 686, 691, 833, 980, 1190, 1372, 1382, 1666, 1715, 2380, 2764, 3332, 3430, 3455, 4165, 4837, 5831, 6860, 6910, 8330, 9674, 11662, 11747, 13820, 16660, 19348, 23324, 23494, 24185, 29155, 33859, 46988, 48370, 58310, 58735, 67718, 82229, 96740, 116620, 117470, 135436, 164458, 169295, 234940, 237013, 328916, 338590, 411145, 474026, 575603, 677180, 822290, 948052, 1151206, 1185065, 1644580, 2302412, 2370130, 2878015, 4029221, 4740260, 5756030, 8058442, 11512060, 16116884, 20146105, 40292210, 80584420]

約数ペア:

[(1, 80584420), (2, 40292210), (4, 20146105), (5, 16116884), (7, 11512060), (10, 8058442), (14, 5756030), (17, 4740260), (20, 4029221), (28, 2878015), (34, 2370130), (35, 2302412), (49, 1644580), (68, 1185065), (70, 1151206), (85, 948052), (98, 822290), (119, 677180), (140, 575603), (170, 474026), (196, 411145), (238, 338590), (245, 328916), (340, 237013), (343, 234940), (476, 169295), (490, 164458), (595, 135436), (686, 117470), (691, 116620), (833, 96740), (980, 82229), (1190, 67718), (1372, 58735), (1382, 58310), (1666, 48370), (1715, 46988), (2380, 33859), (2764, 29155), (3332, 24185), (3430, 23494), (3455, 23324), (4165, 19348), (4837, 16660), (5831, 13820), (6860, 11747), (6910, 11662), (8330, 9674)]