1520428035

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1\times {\mathrm{619}}^1$

素因数の和:940

約数の個数: 64

約数和(自身を含む): 2821248000

約数和(自身を除く): 1300819965

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 149, 157, 447, 471, 619, 745, 785, 1043, 1099, 1857, 2235, 2355, 3095, 3129, 3297, 4333, 5215, 5495, 9285, 12999, 15645, 16485, 21665, 23393, 64995, 70179, 92231, 97183, 116965, 163751, 276693, 291549, 350895, 461155, 485915, 491253, 645617, 680281, 818755, 1383465, 1457745, 1936851, 2040843, 2456265, 3228085, 3401405, 9684255, 10204215, 14480267, 43440801, 72401335, 101361869, 217204005, 304085607, 506809345, 1520428035]

約数ペア:

[(1, 1520428035), (3, 506809345), (5, 304085607), (7, 217204005), (15, 101361869), (21, 72401335), (35, 43440801), (105, 14480267), (149, 10204215), (157, 9684255), (447, 3401405), (471, 3228085), (619, 2456265), (745, 2040843), (785, 1936851), (1043, 1457745), (1099, 1383465), (1857, 818755), (2235, 680281), (2355, 645617), (3095, 491253), (3129, 485915), (3297, 461155), (4333, 350895), (5215, 291549), (5495, 276693), (9285, 163751), (12999, 116965), (15645, 97183), (16485, 92231), (21665, 70179), (23393, 64995)]