121577820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3181}}^1$

素因数の和:3220

約数の個数: 144

約数和(自身を含む): 426591648

約数和(自身を除く): 305013828

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 735, 780, 910, 980, 1092, 1274, 1365, 1470, 1820, 1911, 2548, 2730, 2940, 3181, 3185, 3822, 5460, 6362, 6370, 7644, 9543, 9555, 12724, 12740, 15905, 19086, 19110, 22267, 31810, 38172, 38220, 41353, 44534, 47715, 63620, 66801, 82706, 89068, 95430, 111335, 124059, 133602, 155869, 165412, 190860, 206765, 222670, 248118, 267204, 289471, 311738, 334005, 413530, 445340, 467607, 496236, 578942, 620295, 623476, 668010, 779345, 827060, 868413, 935214, 1157884, 1240590, 1336020, 1447355, 1558690, 1736826, 1870428, 2026297, 2338035, 2481180, 2894710, 3117380, 3473652, 4052594, 4342065, 4676070, 5789420, 6078891, 8105188, 8684130, 9352140, 10131485, 12157782, 17368260, 20262970, 24315564, 30394455, 40525940, 60788910, 121577820]

約数ペア:

[(1, 121577820), (2, 60788910), (3, 40525940), (4, 30394455), (5, 24315564), (6, 20262970), (7, 17368260), (10, 12157782), (12, 10131485), (13, 9352140), (14, 8684130), (15, 8105188), (20, 6078891), (21, 5789420), (26, 4676070), (28, 4342065), (30, 4052594), (35, 3473652), (39, 3117380), (42, 2894710), (49, 2481180), (52, 2338035), (60, 2026297), (65, 1870428), (70, 1736826), (78, 1558690), (84, 1447355), (91, 1336020), (98, 1240590), (105, 1157884), (130, 935214), (140, 868413), (147, 827060), (156, 779345), (182, 668010), (195, 623476), (196, 620295), (210, 578942), (245, 496236), (260, 467607), (273, 445340), (294, 413530), (364, 334005), (390, 311738), (420, 289471), (455, 267204), (490, 248118), (546, 222670), (588, 206765), (637, 190860), (735, 165412), (780, 155869), (910, 133602), (980, 124059), (1092, 111335), (1274, 95430), (1365, 89068), (1470, 82706), (1820, 66801), (1911, 63620), (2548, 47715), (2730, 44534), (2940, 41353), (3181, 38220), (3185, 38172), (3822, 31810), (5460, 22267), (6362, 19110), (6370, 19086), (7644, 15905), (9543, 12740), (9555, 12724)]