254051200

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:265

約数の個数: 192

約数和(自身を含む): 701205120

約数和(自身を除く): 447153920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 64, 65, 80, 100, 104, 124, 128, 130, 155, 160, 197, 200, 208, 248, 260, 310, 320, 325, 394, 400, 403, 416, 496, 520, 620, 640, 650, 775, 788, 800, 806, 832, 985, 992, 1040, 1240, 1300, 1550, 1576, 1600, 1612, 1664, 1970, 1984, 2015, 2080, 2480, 2561, 2600, 3100, 3152, 3200, 3224, 3940, 3968, 4030, 4160, 4925, 4960, 5122, 5200, 6107, 6200, 6304, 6448, 7880, 8060, 8320, 9850, 9920, 10075, 10244, 10400, 12214, 12400, 12608, 12805, 12896, 15760, 16120, 19700, 19840, 20150, 20488, 20800, 24428, 24800, 25216, 25610, 25792, 30535, 31520, 32240, 39400, 40300, 40976, 41600, 48856, 49600, 51220, 51584, 61070, 63040, 64025, 64480, 78800, 79391, 80600, 81952, 97712, 99200, 102440, 122140, 126080, 128050, 128960, 152675, 157600, 158782, 161200, 163904, 195424, 204880, 244280, 256100, 257920, 305350, 315200, 317564, 322400, 327808, 390848, 396955, 409760, 488560, 512200, 610700, 630400, 635128, 644800, 781696, 793910, 819520, 977120, 1024400, 1221400, 1270256, 1289600, 1587820, 1639040, 1954240, 1984775, 2048800, 2442800, 2540512, 3175640, 3908480, 3969550, 4097600, 4885600, 5081024, 6351280, 7939100, 8195200, 9771200, 10162048, 12702560, 15878200, 19542400, 25405120, 31756400, 50810240, 63512800, 127025600, 254051200]

約数ペア:

[(1, 254051200), (2, 127025600), (4, 63512800), (5, 50810240), (8, 31756400), (10, 25405120), (13, 19542400), (16, 15878200), (20, 12702560), (25, 10162048), (26, 9771200), (31, 8195200), (32, 7939100), (40, 6351280), (50, 5081024), (52, 4885600), (62, 4097600), (64, 3969550), (65, 3908480), (80, 3175640), (100, 2540512), (104, 2442800), (124, 2048800), (128, 1984775), (130, 1954240), (155, 1639040), (160, 1587820), (197, 1289600), (200, 1270256), (208, 1221400), (248, 1024400), (260, 977120), (310, 819520), (320, 793910), (325, 781696), (394, 644800), (400, 635128), (403, 630400), (416, 610700), (496, 512200), (520, 488560), (620, 409760), (640, 396955), (650, 390848), (775, 327808), (788, 322400), (800, 317564), (806, 315200), (832, 305350), (985, 257920), (992, 256100), (1040, 244280), (1240, 204880), (1300, 195424), (1550, 163904), (1576, 161200), (1600, 158782), (1612, 157600), (1664, 152675), (1970, 128960), (1984, 128050), (2015, 126080), (2080, 122140), (2480, 102440), (2561, 99200), (2600, 97712), (3100, 81952), (3152, 80600), (3200, 79391), (3224, 78800), (3940, 64480), (3968, 64025), (4030, 63040), (4160, 61070), (4925, 51584), (4960, 51220), (5122, 49600), (5200, 48856), (6107, 41600), (6200, 40976), (6304, 40300), (6448, 39400), (7880, 32240), (8060, 31520), (8320, 30535), (9850, 25792), (9920, 25610), (10075, 25216), (10244, 24800), (10400, 24428), (12214, 20800), (12400, 20488), (12608, 20150), (12805, 19840), (12896, 19700), (15760, 16120)]