161738640

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{563}}^1$

素因数の和:611

約数の個数: 320

約数和(自身を含む): 671385600

約数和(自身を除く): 509646960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 108, 112, 114, 120, 126, 133, 135, 140, 144, 152, 168, 171, 180, 189, 190, 210, 216, 228, 240, 252, 266, 270, 280, 285, 304, 315, 336, 342, 360, 378, 380, 399, 420, 432, 456, 504, 513, 532, 540, 560, 563, 570, 630, 665, 684, 720, 756, 760, 798, 840, 855, 912, 945, 1008, 1026, 1064, 1080, 1126, 1140, 1197, 1260, 1330, 1368, 1512, 1520, 1596, 1680, 1689, 1710, 1890, 1995, 2052, 2128, 2160, 2252, 2280, 2394, 2520, 2565, 2660, 2736, 2815, 3024, 3192, 3378, 3420, 3591, 3780, 3941, 3990, 4104, 4504, 4560, 4788, 5040, 5067, 5130, 5320, 5630, 5985, 6384, 6756, 6840, 7182, 7560, 7882, 7980, 8208, 8445, 9008, 9576, 10134, 10260, 10640, 10697, 11260, 11823, 11970, 13512, 13680, 14364, 15120, 15201, 15764, 15960, 16890, 17955, 19152, 19705, 20268, 20520, 21394, 22520, 23646, 23940, 25335, 27024, 28728, 30402, 31528, 31920, 32091, 33780, 35469, 35910, 39410, 40536, 41040, 42788, 45040, 47292, 47880, 50670, 53485, 57456, 59115, 60804, 63056, 64182, 67560, 70938, 71820, 74879, 76005, 78820, 81072, 85576, 94584, 95760, 96273, 101340, 106407, 106970, 118230, 121608, 128364, 135120, 141876, 143640, 149758, 152010, 157640, 160455, 171152, 177345, 189168, 192546, 202680, 212814, 213940, 224637, 236460, 243216, 256728, 283752, 287280, 288819, 299516, 304020, 315280, 320910, 354690, 374395, 385092, 405360, 425628, 427880, 449274, 472920, 481365, 513456, 532035, 567504, 577638, 599032, 608040, 641820, 673911, 709380, 748790, 770184, 851256, 855760, 898548, 945840, 962730, 1064070, 1123185, 1155276, 1198064, 1216080, 1283640, 1347822, 1418760, 1444095, 1497580, 1540368, 1702512, 1797096, 1925460, 2021733, 2128140, 2246370, 2310552, 2567280, 2695644, 2837520, 2888190, 2995160, 3369555, 3594192, 3850920, 4043466, 4256280, 4492740, 4621104, 5391288, 5776380, 5990320, 6739110, 7701840, 8086932, 8512560, 8985480, 10108665, 10782576, 11552760, 13478220, 16173864, 17970960, 20217330, 23105520, 26956440, 32347728, 40434660, 53912880, 80869320, 161738640]

約数ペア:

[(1, 161738640), (2, 80869320), (3, 53912880), (4, 40434660), (5, 32347728), (6, 26956440), (7, 23105520), (8, 20217330), (9, 17970960), (10, 16173864), (12, 13478220), (14, 11552760), (15, 10782576), (16, 10108665), (18, 8985480), (19, 8512560), (20, 8086932), (21, 7701840), (24, 6739110), (27, 5990320), (28, 5776380), (30, 5391288), (35, 4621104), (36, 4492740), (38, 4256280), (40, 4043466), (42, 3850920), (45, 3594192), (48, 3369555), (54, 2995160), (56, 2888190), (57, 2837520), (60, 2695644), (63, 2567280), (70, 2310552), (72, 2246370), (76, 2128140), (80, 2021733), (84, 1925460), (90, 1797096), (95, 1702512), (105, 1540368), (108, 1497580), (112, 1444095), (114, 1418760), (120, 1347822), (126, 1283640), (133, 1216080), (135, 1198064), (140, 1155276), (144, 1123185), (152, 1064070), (168, 962730), (171, 945840), (180, 898548), (189, 855760), (190, 851256), (210, 770184), (216, 748790), (228, 709380), (240, 673911), (252, 641820), (266, 608040), (270, 599032), (280, 577638), (285, 567504), (304, 532035), (315, 513456), (336, 481365), (342, 472920), (360, 449274), (378, 427880), (380, 425628), (399, 405360), (420, 385092), (432, 374395), (456, 354690), (504, 320910), (513, 315280), (532, 304020), (540, 299516), (560, 288819), (563, 287280), (570, 283752), (630, 256728), (665, 243216), (684, 236460), (720, 224637), (756, 213940), (760, 212814), (798, 202680), (840, 192546), (855, 189168), (912, 177345), (945, 171152), (1008, 160455), (1026, 157640), (1064, 152010), (1080, 149758), (1126, 143640), (1140, 141876), (1197, 135120), (1260, 128364), (1330, 121608), (1368, 118230), (1512, 106970), (1520, 106407), (1596, 101340), (1680, 96273), (1689, 95760), (1710, 94584), (1890, 85576), (1995, 81072), (2052, 78820), (2128, 76005), (2160, 74879), (2252, 71820), (2280, 70938), (2394, 67560), (2520, 64182), (2565, 63056), (2660, 60804), (2736, 59115), (2815, 57456), (3024, 53485), (3192, 50670), (3378, 47880), (3420, 47292), (3591, 45040), (3780, 42788), (3941, 41040), (3990, 40536), (4104, 39410), (4504, 35910), (4560, 35469), (4788, 33780), (5040, 32091), (5067, 31920), (5130, 31528), (5320, 30402), (5630, 28728), (5985, 27024), (6384, 25335), (6756, 23940), (6840, 23646), (7182, 22520), (7560, 21394), (7882, 20520), (7980, 20268), (8208, 19705), (8445, 19152), (9008, 17955), (9576, 16890), (10134, 15960), (10260, 15764), (10640, 15201), (10697, 15120), (11260, 14364), (11823, 13680), (11970, 13512)]