1683580720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{28789}}^1$

素因数の和:28862

約数の個数: 80

約数和(自身を含む): 4241112480

約数和(自身を除く): 2557531760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 43, 68, 80, 85, 86, 136, 170, 172, 215, 272, 340, 344, 430, 680, 688, 731, 860, 1360, 1462, 1720, 2924, 3440, 3655, 5848, 7310, 11696, 14620, 28789, 29240, 57578, 58480, 115156, 143945, 230312, 287890, 460624, 489413, 575780, 978826, 1151560, 1237927, 1957652, 2303120, 2447065, 2475854, 3915304, 4894130, 4951708, 6189635, 7830608, 9788260, 9903416, 12379270, 19576520, 19806832, 21044759, 24758540, 39153040, 42089518, 49517080, 84179036, 99034160, 105223795, 168358072, 210447590, 336716144, 420895180, 841790360, 1683580720]

約数ペア:

[(1, 1683580720), (2, 841790360), (4, 420895180), (5, 336716144), (8, 210447590), (10, 168358072), (16, 105223795), (17, 99034160), (20, 84179036), (34, 49517080), (40, 42089518), (43, 39153040), (68, 24758540), (80, 21044759), (85, 19806832), (86, 19576520), (136, 12379270), (170, 9903416), (172, 9788260), (215, 7830608), (272, 6189635), (340, 4951708), (344, 4894130), (430, 3915304), (680, 2475854), (688, 2447065), (731, 2303120), (860, 1957652), (1360, 1237927), (1462, 1151560), (1720, 978826), (2924, 575780), (3440, 489413), (3655, 460624), (5848, 287890), (7310, 230312), (11696, 143945), (14620, 115156), (28789, 58480), (29240, 57578)]