74006985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{569}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 137894400

約数和(自身を除く): 63887415

約数列:

[1, 3, 5, 13, 15, 23, 29, 39, 65, 69, 87, 115, 145, 195, 299, 345, 377, 435, 569, 667, 897, 1131, 1495, 1707, 1885, 2001, 2845, 3335, 4485, 5655, 7397, 8535, 8671, 10005, 13087, 16501, 22191, 26013, 36985, 39261, 43355, 49503, 65435, 82505, 110955, 130065, 170131, 196305, 214513, 247515, 379523, 510393, 643539, 850655, 1072565, 1138569, 1897615, 2551965, 3217695, 4933799, 5692845, 14801397, 24668995, 74006985]

約数ペア:

[(1, 74006985), (3, 24668995), (5, 14801397), (13, 5692845), (15, 4933799), (23, 3217695), (29, 2551965), (39, 1897615), (65, 1138569), (69, 1072565), (87, 850655), (115, 643539), (145, 510393), (195, 379523), (299, 247515), (345, 214513), (377, 196305), (435, 170131), (569, 130065), (667, 110955), (897, 82505), (1131, 65435), (1495, 49503), (1707, 43355), (1885, 39261), (2001, 36985), (2845, 26013), (3335, 22191), (4485, 16501), (5655, 13087), (7397, 10005), (8535, 8671)]