260196640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:327

約数の個数: 192

約数和(自身を含む): 731566080

約数和(自身を除く): 471369440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 31, 32, 38, 40, 44, 55, 62, 76, 80, 88, 95, 110, 124, 152, 155, 160, 176, 190, 209, 220, 248, 251, 304, 310, 341, 352, 380, 418, 440, 496, 502, 589, 608, 620, 682, 760, 836, 880, 992, 1004, 1045, 1178, 1240, 1255, 1364, 1520, 1672, 1705, 1760, 2008, 2090, 2356, 2480, 2510, 2728, 2761, 2945, 3040, 3344, 3410, 4016, 4180, 4712, 4769, 4960, 5020, 5456, 5522, 5890, 6479, 6688, 6820, 7781, 8032, 8360, 9424, 9538, 10040, 10912, 11044, 11780, 12958, 13640, 13805, 15562, 16720, 18848, 19076, 20080, 22088, 23560, 23845, 25916, 27280, 27610, 31124, 32395, 33440, 38152, 38905, 40160, 44176, 47120, 47690, 51832, 52459, 54560, 55220, 62248, 64790, 76304, 77810, 85591, 88352, 94240, 95380, 103664, 104918, 110440, 124496, 129580, 147839, 152608, 155620, 171182, 190760, 207328, 209836, 220880, 248992, 259160, 262295, 295678, 311240, 342364, 381520, 419672, 427955, 441760, 518320, 524590, 591356, 622480, 684728, 739195, 763040, 839344, 855910, 1036640, 1049180, 1182712, 1244960, 1369456, 1478390, 1626229, 1678688, 1711820, 2098360, 2365424, 2738912, 2956780, 3252458, 3423640, 4196720, 4730848, 5913560, 6504916, 6847280, 8131145, 8393440, 11827120, 13009832, 13694560, 16262290, 23654240, 26019664, 32524580, 52039328, 65049160, 130098320, 260196640]

約数ペア:

[(1, 260196640), (2, 130098320), (4, 65049160), (5, 52039328), (8, 32524580), (10, 26019664), (11, 23654240), (16, 16262290), (19, 13694560), (20, 13009832), (22, 11827120), (31, 8393440), (32, 8131145), (38, 6847280), (40, 6504916), (44, 5913560), (55, 4730848), (62, 4196720), (76, 3423640), (80, 3252458), (88, 2956780), (95, 2738912), (110, 2365424), (124, 2098360), (152, 1711820), (155, 1678688), (160, 1626229), (176, 1478390), (190, 1369456), (209, 1244960), (220, 1182712), (248, 1049180), (251, 1036640), (304, 855910), (310, 839344), (341, 763040), (352, 739195), (380, 684728), (418, 622480), (440, 591356), (496, 524590), (502, 518320), (589, 441760), (608, 427955), (620, 419672), (682, 381520), (760, 342364), (836, 311240), (880, 295678), (992, 262295), (1004, 259160), (1045, 248992), (1178, 220880), (1240, 209836), (1255, 207328), (1364, 190760), (1520, 171182), (1672, 155620), (1705, 152608), (1760, 147839), (2008, 129580), (2090, 124496), (2356, 110440), (2480, 104918), (2510, 103664), (2728, 95380), (2761, 94240), (2945, 88352), (3040, 85591), (3344, 77810), (3410, 76304), (4016, 64790), (4180, 62248), (4712, 55220), (4769, 54560), (4960, 52459), (5020, 51832), (5456, 47690), (5522, 47120), (5890, 44176), (6479, 40160), (6688, 38905), (6820, 38152), (7781, 33440), (8032, 32395), (8360, 31124), (9424, 27610), (9538, 27280), (10040, 25916), (10912, 23845), (11044, 23560), (11780, 22088), (12958, 20080), (13640, 19076), (13805, 18848), (15562, 16720)]