15721429100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{204973}}^1$

素因数の和:205059

約数の個数: 72

約数和(自身を含む): 37362660720

約数和(自身を除く): 21641231620

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 59, 65, 100, 118, 130, 236, 260, 295, 325, 590, 650, 767, 1180, 1300, 1475, 1534, 2950, 3068, 3835, 5900, 7670, 15340, 19175, 38350, 76700, 204973, 409946, 819892, 1024865, 2049730, 2664649, 4099460, 5124325, 5329298, 10248650, 10658596, 12093407, 13323245, 20497300, 24186814, 26646490, 48373628, 53292980, 60467035, 66616225, 120934070, 133232450, 157214291, 241868140, 266464900, 302335175, 314428582, 604670350, 628857164, 786071455, 1209340700, 1572142910, 3144285820, 3930357275, 7860714550, 15721429100]

約数ペア:

[(1, 15721429100), (2, 7860714550), (4, 3930357275), (5, 3144285820), (10, 1572142910), (13, 1209340700), (20, 786071455), (25, 628857164), (26, 604670350), (50, 314428582), (52, 302335175), (59, 266464900), (65, 241868140), (100, 157214291), (118, 133232450), (130, 120934070), (236, 66616225), (260, 60467035), (295, 53292980), (325, 48373628), (590, 26646490), (650, 24186814), (767, 20497300), (1180, 13323245), (1300, 12093407), (1475, 10658596), (1534, 10248650), (2950, 5329298), (3068, 5124325), (3835, 4099460), (5900, 2664649), (7670, 2049730), (15340, 1024865), (19175, 819892), (38350, 409946), (76700, 204973)]