1648657960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{9013}}^1$

素因数の和:9310

約数の個数: 64

約数和(自身を含む): 3942723600

約数和(自身を除く): 2294065640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 269, 340, 538, 680, 1076, 1345, 2152, 2690, 4573, 5380, 9013, 9146, 10760, 18026, 18292, 22865, 36052, 36584, 45065, 45730, 72104, 90130, 91460, 153221, 180260, 182920, 306442, 360520, 612884, 766105, 1225768, 1532210, 2424497, 3064420, 4848994, 6128840, 9697988, 12122485, 19395976, 24244970, 41216449, 48489940, 82432898, 96979880, 164865796, 206082245, 329731592, 412164490, 824328980, 1648657960]

約数ペア:

[(1, 1648657960), (2, 824328980), (4, 412164490), (5, 329731592), (8, 206082245), (10, 164865796), (17, 96979880), (20, 82432898), (34, 48489940), (40, 41216449), (68, 24244970), (85, 19395976), (136, 12122485), (170, 9697988), (269, 6128840), (340, 4848994), (538, 3064420), (680, 2424497), (1076, 1532210), (1345, 1225768), (2152, 766105), (2690, 612884), (4573, 360520), (5380, 306442), (9013, 182920), (9146, 180260), (10760, 153221), (18026, 91460), (18292, 90130), (22865, 72104), (36052, 45730), (36584, 45065)]