257299325440

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{170641}}^1$

素因数の和:170714

約数の個数: 160

約数和(自身を含む): 670336381440

約数和(自身を除く): 413037056000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 248, 256, 304, 310, 320, 380, 496, 512, 589, 608, 620, 640, 760, 992, 1178, 1216, 1240, 1280, 1520, 1984, 2356, 2432, 2480, 2560, 2945, 3040, 3968, 4712, 4864, 4960, 5890, 6080, 7936, 9424, 9728, 9920, 11780, 12160, 15872, 18848, 19840, 23560, 24320, 37696, 39680, 47120, 48640, 75392, 79360, 94240, 150784, 170641, 188480, 301568, 341282, 376960, 682564, 753920, 853205, 1365128, 1507840, 1706410, 2730256, 3242179, 3412820, 5289871, 5460512, 6484358, 6825640, 10579742, 10921024, 12968716, 13651280, 16210895, 21159484, 21842048, 25937432, 26449355, 27302560, 32421790, 42318968, 43684096, 51874864, 52898710, 54605120, 64843580, 84637936, 87368192, 100507549, 103749728, 105797420, 109210240, 129687160, 169275872, 201015098, 207499456, 211594840, 218420480, 259374320, 338551744, 402030196, 414998912, 423189680, 436840960, 502537745, 518748640, 677103488, 804060392, 829997824, 846379360, 1005075490, 1037497280, 1354206976, 1608120784, 1659995648, 1692758720, 2010150980, 2074994560, 2708413952, 3216241568, 3385517440, 4020301960, 4149989120, 6432483136, 6771034880, 8040603920, 8299978240, 12864966272, 13542069760, 16081207840, 25729932544, 32162415680, 51459865088, 64324831360, 128649662720, 257299325440]

約数ペア:

[(1, 257299325440), (2, 128649662720), (4, 64324831360), (5, 51459865088), (8, 32162415680), (10, 25729932544), (16, 16081207840), (19, 13542069760), (20, 12864966272), (31, 8299978240), (32, 8040603920), (38, 6771034880), (40, 6432483136), (62, 4149989120), (64, 4020301960), (76, 3385517440), (80, 3216241568), (95, 2708413952), (124, 2074994560), (128, 2010150980), (152, 1692758720), (155, 1659995648), (160, 1608120784), (190, 1354206976), (248, 1037497280), (256, 1005075490), (304, 846379360), (310, 829997824), (320, 804060392), (380, 677103488), (496, 518748640), (512, 502537745), (589, 436840960), (608, 423189680), (620, 414998912), (640, 402030196), (760, 338551744), (992, 259374320), (1178, 218420480), (1216, 211594840), (1240, 207499456), (1280, 201015098), (1520, 169275872), (1984, 129687160), (2356, 109210240), (2432, 105797420), (2480, 103749728), (2560, 100507549), (2945, 87368192), (3040, 84637936), (3968, 64843580), (4712, 54605120), (4864, 52898710), (4960, 51874864), (5890, 43684096), (6080, 42318968), (7936, 32421790), (9424, 27302560), (9728, 26449355), (9920, 25937432), (11780, 21842048), (12160, 21159484), (15872, 16210895), (18848, 13651280), (19840, 12968716), (23560, 10921024), (24320, 10579742), (37696, 6825640), (39680, 6484358), (47120, 5460512), (48640, 5289871), (75392, 3412820), (79360, 3242179), (94240, 2730256), (150784, 1706410), (170641, 1507840), (188480, 1365128), (301568, 853205), (341282, 753920), (376960, 682564)]