78232840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9013}}^1$

素因数の和:9062

約数の個数: 64

約数和(自身を含む): 207682560

約数和(自身を除く): 129449720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 9013, 18026, 36052, 45065, 63091, 72104, 90130, 126182, 180260, 252364, 279403, 315455, 360520, 504728, 558806, 630910, 1117612, 1261820, 1397015, 1955821, 2235224, 2523640, 2794030, 3911642, 5588060, 7823284, 9779105, 11176120, 15646568, 19558210, 39116420, 78232840]

約数ペア:

[(1, 78232840), (2, 39116420), (4, 19558210), (5, 15646568), (7, 11176120), (8, 9779105), (10, 7823284), (14, 5588060), (20, 3911642), (28, 2794030), (31, 2523640), (35, 2235224), (40, 1955821), (56, 1397015), (62, 1261820), (70, 1117612), (124, 630910), (140, 558806), (155, 504728), (217, 360520), (248, 315455), (280, 279403), (310, 252364), (434, 180260), (620, 126182), (868, 90130), (1085, 72104), (1240, 63091), (1736, 45065), (2170, 36052), (4340, 18026), (8680, 9013)]