81224520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52067}}^1$

素因数の和:52094

約数の個数: 64

約数和(自身を含む): 262422720

約数和(自身を除く): 181198200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 52067, 104134, 156201, 208268, 260335, 312402, 416536, 520670, 624804, 676871, 781005, 1041340, 1249608, 1353742, 1562010, 2030613, 2082680, 2707484, 3124020, 3384355, 4061226, 5414968, 6248040, 6768710, 8122452, 10153065, 13537420, 16244904, 20306130, 27074840, 40612260, 81224520]

約数ペア:

[(1, 81224520), (2, 40612260), (3, 27074840), (4, 20306130), (5, 16244904), (6, 13537420), (8, 10153065), (10, 8122452), (12, 6768710), (13, 6248040), (15, 5414968), (20, 4061226), (24, 3384355), (26, 3124020), (30, 2707484), (39, 2082680), (40, 2030613), (52, 1562010), (60, 1353742), (65, 1249608), (78, 1041340), (104, 781005), (120, 676871), (130, 624804), (156, 520670), (195, 416536), (260, 312402), (312, 260335), (390, 208268), (520, 156201), (780, 104134), (1560, 52067)]