20688007800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{25409}}^1$

素因数の和:25510

約数の個数: 192

約数和(自身を含む): 68058144000

約数和(自身を除く): 47370136200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 25, 30, 40, 46, 50, 59, 60, 69, 75, 92, 100, 115, 118, 120, 138, 150, 177, 184, 200, 230, 236, 276, 295, 300, 345, 354, 460, 472, 552, 575, 590, 600, 690, 708, 885, 920, 1150, 1180, 1357, 1380, 1416, 1475, 1725, 1770, 2300, 2360, 2714, 2760, 2950, 3450, 3540, 4071, 4425, 4600, 5428, 5900, 6785, 6900, 7080, 8142, 8850, 10856, 11800, 13570, 13800, 16284, 17700, 20355, 25409, 27140, 32568, 33925, 35400, 40710, 50818, 54280, 67850, 76227, 81420, 101636, 101775, 127045, 135700, 152454, 162840, 203272, 203550, 254090, 271400, 304908, 381135, 407100, 508180, 584407, 609816, 635225, 762270, 814200, 1016360, 1168814, 1270450, 1499131, 1524540, 1753221, 1905675, 2337628, 2540900, 2922035, 2998262, 3049080, 3506442, 3811350, 4497393, 4675256, 5081800, 5844070, 5996524, 7012884, 7495655, 7622700, 8766105, 8994786, 11688140, 11993048, 14025768, 14610175, 14991310, 15245400, 17532210, 17989572, 22486965, 23376280, 29220350, 29982620, 34480013, 35064420, 35979144, 37478275, 43830525, 44973930, 58440700, 59965240, 68960026, 70128840, 74956550, 87661050, 89947860, 103440039, 112434825, 116881400, 137920052, 149913100, 172400065, 175322100, 179895720, 206880078, 224869650, 275840104, 299826200, 344800130, 350644200, 413760156, 449739300, 517200195, 689600260, 827520312, 862000325, 899478600, 1034400390, 1379200520, 1724000650, 2068800780, 2586000975, 3448001300, 4137601560, 5172001950, 6896002600, 10344003900, 20688007800]

約数ペア:

[(1, 20688007800), (2, 10344003900), (3, 6896002600), (4, 5172001950), (5, 4137601560), (6, 3448001300), (8, 2586000975), (10, 2068800780), (12, 1724000650), (15, 1379200520), (20, 1034400390), (23, 899478600), (24, 862000325), (25, 827520312), (30, 689600260), (40, 517200195), (46, 449739300), (50, 413760156), (59, 350644200), (60, 344800130), (69, 299826200), (75, 275840104), (92, 224869650), (100, 206880078), (115, 179895720), (118, 175322100), (120, 172400065), (138, 149913100), (150, 137920052), (177, 116881400), (184, 112434825), (200, 103440039), (230, 89947860), (236, 87661050), (276, 74956550), (295, 70128840), (300, 68960026), (345, 59965240), (354, 58440700), (460, 44973930), (472, 43830525), (552, 37478275), (575, 35979144), (590, 35064420), (600, 34480013), (690, 29982620), (708, 29220350), (885, 23376280), (920, 22486965), (1150, 17989572), (1180, 17532210), (1357, 15245400), (1380, 14991310), (1416, 14610175), (1475, 14025768), (1725, 11993048), (1770, 11688140), (2300, 8994786), (2360, 8766105), (2714, 7622700), (2760, 7495655), (2950, 7012884), (3450, 5996524), (3540, 5844070), (4071, 5081800), (4425, 4675256), (4600, 4497393), (5428, 3811350), (5900, 3506442), (6785, 3049080), (6900, 2998262), (7080, 2922035), (8142, 2540900), (8850, 2337628), (10856, 1905675), (11800, 1753221), (13570, 1524540), (13800, 1499131), (16284, 1270450), (17700, 1168814), (20355, 1016360), (25409, 814200), (27140, 762270), (32568, 635225), (33925, 609816), (35400, 584407), (40710, 508180), (50818, 407100), (54280, 381135), (67850, 304908), (76227, 271400), (81420, 254090), (101636, 203550), (101775, 203272), (127045, 162840), (135700, 152454)]