6656520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1$

素因数の和:295

約数の個数: 128

約数和(自身を含む): 22861440

約数和(自身を除く): 16204920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 251, 255, 260, 312, 340, 390, 408, 442, 502, 510, 520, 663, 680, 753, 780, 884, 1004, 1020, 1105, 1255, 1326, 1506, 1560, 1768, 2008, 2040, 2210, 2510, 2652, 3012, 3263, 3315, 3765, 4267, 4420, 5020, 5304, 6024, 6526, 6630, 7530, 8534, 8840, 9789, 10040, 12801, 13052, 13260, 15060, 16315, 17068, 19578, 21335, 25602, 26104, 26520, 30120, 32630, 34136, 39156, 42670, 48945, 51204, 55471, 64005, 65260, 78312, 85340, 97890, 102408, 110942, 128010, 130520, 166413, 170680, 195780, 221884, 256020, 277355, 332826, 391560, 443768, 512040, 554710, 665652, 832065, 1109420, 1331304, 1664130, 2218840, 3328260, 6656520]

約数ペア:

[(1, 6656520), (2, 3328260), (3, 2218840), (4, 1664130), (5, 1331304), (6, 1109420), (8, 832065), (10, 665652), (12, 554710), (13, 512040), (15, 443768), (17, 391560), (20, 332826), (24, 277355), (26, 256020), (30, 221884), (34, 195780), (39, 170680), (40, 166413), (51, 130520), (52, 128010), (60, 110942), (65, 102408), (68, 97890), (78, 85340), (85, 78312), (102, 65260), (104, 64005), (120, 55471), (130, 51204), (136, 48945), (156, 42670), (170, 39156), (195, 34136), (204, 32630), (221, 30120), (251, 26520), (255, 26104), (260, 25602), (312, 21335), (340, 19578), (390, 17068), (408, 16315), (442, 15060), (502, 13260), (510, 13052), (520, 12801), (663, 10040), (680, 9789), (753, 8840), (780, 8534), (884, 7530), (1004, 6630), (1020, 6526), (1105, 6024), (1255, 5304), (1326, 5020), (1506, 4420), (1560, 4267), (1768, 3765), (2008, 3315), (2040, 3263), (2210, 3012), (2510, 2652)]