8345220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{823}}^1$

素因数の和:861

約数の個数: 72

約数和(自身を含む): 25333056

約数和(自身を除く): 16987836

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 823, 845, 1014, 1646, 1690, 2028, 2469, 2535, 3292, 3380, 4115, 4938, 5070, 8230, 9876, 10140, 10699, 12345, 16460, 21398, 24690, 32097, 42796, 49380, 53495, 64194, 106990, 128388, 139087, 160485, 213980, 278174, 320970, 417261, 556348, 641940, 695435, 834522, 1390870, 1669044, 2086305, 2781740, 4172610, 8345220]

約数ペア:

[(1, 8345220), (2, 4172610), (3, 2781740), (4, 2086305), (5, 1669044), (6, 1390870), (10, 834522), (12, 695435), (13, 641940), (15, 556348), (20, 417261), (26, 320970), (30, 278174), (39, 213980), (52, 160485), (60, 139087), (65, 128388), (78, 106990), (130, 64194), (156, 53495), (169, 49380), (195, 42796), (260, 32097), (338, 24690), (390, 21398), (507, 16460), (676, 12345), (780, 10699), (823, 10140), (845, 9876), (1014, 8230), (1646, 5070), (1690, 4938), (2028, 4115), (2469, 3380), (2535, 3292)]