28512120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{373}}^1$

素因数の和:414

約数の個数: 192

約数和(自身を含む): 107442720

約数和(自身を除く): 78930600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 49, 52, 56, 60, 65, 70, 78, 84, 91, 98, 104, 105, 120, 130, 140, 147, 156, 168, 182, 195, 196, 210, 245, 260, 273, 280, 294, 312, 364, 373, 390, 392, 420, 455, 490, 520, 546, 588, 637, 728, 735, 746, 780, 840, 910, 980, 1092, 1119, 1176, 1274, 1365, 1470, 1492, 1560, 1820, 1865, 1911, 1960, 2184, 2238, 2548, 2611, 2730, 2940, 2984, 3185, 3640, 3730, 3822, 4476, 4849, 5096, 5222, 5460, 5595, 5880, 6370, 7460, 7644, 7833, 8952, 9555, 9698, 10444, 10920, 11190, 12740, 13055, 14547, 14920, 15288, 15666, 18277, 19110, 19396, 20888, 22380, 24245, 25480, 26110, 29094, 31332, 33943, 36554, 38220, 38792, 39165, 44760, 48490, 52220, 54831, 58188, 62664, 67886, 72735, 73108, 76440, 78330, 91385, 96980, 101829, 104440, 109662, 116376, 135772, 145470, 146216, 156660, 169715, 182770, 193960, 203658, 219324, 237601, 271544, 274155, 290940, 313320, 339430, 365540, 407316, 438648, 475202, 509145, 548310, 581880, 678860, 712803, 731080, 814632, 950404, 1018290, 1096620, 1188005, 1357720, 1425606, 1900808, 2036580, 2193240, 2376010, 2851212, 3564015, 4073160, 4752020, 5702424, 7128030, 9504040, 14256060, 28512120]

約数ペア:

[(1, 28512120), (2, 14256060), (3, 9504040), (4, 7128030), (5, 5702424), (6, 4752020), (7, 4073160), (8, 3564015), (10, 2851212), (12, 2376010), (13, 2193240), (14, 2036580), (15, 1900808), (20, 1425606), (21, 1357720), (24, 1188005), (26, 1096620), (28, 1018290), (30, 950404), (35, 814632), (39, 731080), (40, 712803), (42, 678860), (49, 581880), (52, 548310), (56, 509145), (60, 475202), (65, 438648), (70, 407316), (78, 365540), (84, 339430), (91, 313320), (98, 290940), (104, 274155), (105, 271544), (120, 237601), (130, 219324), (140, 203658), (147, 193960), (156, 182770), (168, 169715), (182, 156660), (195, 146216), (196, 145470), (210, 135772), (245, 116376), (260, 109662), (273, 104440), (280, 101829), (294, 96980), (312, 91385), (364, 78330), (373, 76440), (390, 73108), (392, 72735), (420, 67886), (455, 62664), (490, 58188), (520, 54831), (546, 52220), (588, 48490), (637, 44760), (728, 39165), (735, 38792), (746, 38220), (780, 36554), (840, 33943), (910, 31332), (980, 29094), (1092, 26110), (1119, 25480), (1176, 24245), (1274, 22380), (1365, 20888), (1470, 19396), (1492, 19110), (1560, 18277), (1820, 15666), (1865, 15288), (1911, 14920), (1960, 14547), (2184, 13055), (2238, 12740), (2548, 11190), (2611, 10920), (2730, 10444), (2940, 9698), (2984, 9555), (3185, 8952), (3640, 7833), (3730, 7644), (3822, 7460), (4476, 6370), (4849, 5880), (5096, 5595), (5222, 5460)]