71640450

素因数分解:

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

素因数の和:76

約数の個数: 270

約数和(自身を含む): 244381401

約数和(自身を除く): 172740951

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 25, 27, 30, 35, 38, 42, 45, 49, 50, 54, 57, 63, 70, 75, 81, 90, 95, 98, 105, 114, 126, 133, 135, 147, 150, 162, 171, 175, 189, 190, 210, 225, 245, 266, 270, 285, 294, 315, 342, 350, 361, 378, 399, 405, 441, 450, 475, 490, 513, 525, 567, 570, 630, 665, 675, 722, 735, 798, 810, 855, 882, 931, 945, 950, 1026, 1050, 1083, 1134, 1197, 1225, 1323, 1330, 1350, 1425, 1470, 1539, 1575, 1710, 1805, 1862, 1890, 1995, 2025, 2166, 2205, 2394, 2450, 2527, 2565, 2646, 2793, 2835, 2850, 3078, 3150, 3249, 3325, 3591, 3610, 3675, 3969, 3990, 4050, 4275, 4410, 4655, 4725, 5054, 5130, 5415, 5586, 5670, 5985, 6498, 6615, 6650, 7182, 7350, 7581, 7695, 7938, 8379, 8550, 9025, 9310, 9450, 9747, 9975, 10773, 10830, 11025, 11970, 12635, 12825, 13230, 13965, 14175, 15162, 15390, 16245, 16758, 17689, 17955, 18050, 19494, 19845, 19950, 21546, 22050, 22743, 23275, 25137, 25270, 25650, 27075, 27930, 28350, 29241, 29925, 32490, 33075, 35378, 35910, 37905, 38475, 39690, 41895, 45486, 46550, 48735, 50274, 53067, 53865, 54150, 58482, 59850, 63175, 66150, 68229, 69825, 75411, 75810, 76950, 81225, 83790, 88445, 89775, 97470, 99225, 106134, 107730, 113715, 125685, 126350, 136458, 139650, 146205, 150822, 159201, 162450, 176890, 179550, 189525, 198450, 204687, 209475, 227430, 243675, 251370, 265335, 269325, 292410, 318402, 341145, 377055, 379050, 409374, 418950, 442225, 477603, 487350, 530670, 538650, 568575, 628425, 682290, 731025, 754110, 796005, 884450, 955206, 1023435, 1137150, 1256850, 1326675, 1432809, 1462050, 1592010, 1705725, 1885275, 2046870, 2388015, 2653350, 2865618, 3411450, 3770550, 3980025, 4776030, 5117175, 7164045, 7960050, 10234350, 11940075, 14328090, 23880150, 35820225, 71640450]

約数ペア:

[(1, 71640450), (2, 35820225), (3, 23880150), (5, 14328090), (6, 11940075), (7, 10234350), (9, 7960050), (10, 7164045), (14, 5117175), (15, 4776030), (18, 3980025), (19, 3770550), (21, 3411450), (25, 2865618), (27, 2653350), (30, 2388015), (35, 2046870), (38, 1885275), (42, 1705725), (45, 1592010), (49, 1462050), (50, 1432809), (54, 1326675), (57, 1256850), (63, 1137150), (70, 1023435), (75, 955206), (81, 884450), (90, 796005), (95, 754110), (98, 731025), (105, 682290), (114, 628425), (126, 568575), (133, 538650), (135, 530670), (147, 487350), (150, 477603), (162, 442225), (171, 418950), (175, 409374), (189, 379050), (190, 377055), (210, 341145), (225, 318402), (245, 292410), (266, 269325), (270, 265335), (285, 251370), (294, 243675), (315, 227430), (342, 209475), (350, 204687), (361, 198450), (378, 189525), (399, 179550), (405, 176890), (441, 162450), (450, 159201), (475, 150822), (490, 146205), (513, 139650), (525, 136458), (567, 126350), (570, 125685), (630, 113715), (665, 107730), (675, 106134), (722, 99225), (735, 97470), (798, 89775), (810, 88445), (855, 83790), (882, 81225), (931, 76950), (945, 75810), (950, 75411), (1026, 69825), (1050, 68229), (1083, 66150), (1134, 63175), (1197, 59850), (1225, 58482), (1323, 54150), (1330, 53865), (1350, 53067), (1425, 50274), (1470, 48735), (1539, 46550), (1575, 45486), (1710, 41895), (1805, 39690), (1862, 38475), (1890, 37905), (1995, 35910), (2025, 35378), (2166, 33075), (2205, 32490), (2394, 29925), (2450, 29241), (2527, 28350), (2565, 27930), (2646, 27075), (2793, 25650), (2835, 25270), (2850, 25137), (3078, 23275), (3150, 22743), (3249, 22050), (3325, 21546), (3591, 19950), (3610, 19845), (3675, 19494), (3969, 18050), (3990, 17955), (4050, 17689), (4275, 16758), (4410, 16245), (4655, 15390), (4725, 15162), (5054, 14175), (5130, 13965), (5415, 13230), (5586, 12825), (5670, 12635), (5985, 11970), (6498, 11025), (6615, 10830), (6650, 10773), (7182, 9975), (7350, 9747), (7581, 9450), (7695, 9310), (7938, 9025), (8379, 8550)]