205333380

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{953}}^1$

素因数の和:1000

約数の個数: 240

約数和(自身を含む): 775716480

約数和(自身を除く): 570383100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 81, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 162, 171, 180, 189, 190, 210, 228, 252, 266, 270, 285, 315, 324, 342, 378, 380, 399, 405, 420, 513, 532, 540, 567, 570, 630, 665, 684, 756, 798, 810, 855, 945, 953, 1026, 1134, 1140, 1197, 1260, 1330, 1539, 1596, 1620, 1710, 1890, 1906, 1995, 2052, 2268, 2394, 2565, 2660, 2835, 2859, 3078, 3420, 3591, 3780, 3812, 3990, 4765, 4788, 5130, 5670, 5718, 5985, 6156, 6671, 7182, 7695, 7980, 8577, 9530, 10260, 10773, 11340, 11436, 11970, 13342, 14295, 14364, 15390, 17154, 17955, 18107, 19060, 20013, 21546, 23940, 25731, 26684, 28590, 30780, 33355, 34308, 35910, 36214, 40026, 42885, 43092, 51462, 53865, 54321, 57180, 60039, 66710, 71820, 72428, 77193, 80052, 85770, 90535, 100065, 102924, 107730, 108642, 120078, 126749, 128655, 133420, 154386, 162963, 171540, 180117, 181070, 200130, 215460, 217284, 240156, 253498, 257310, 271605, 300195, 308772, 325926, 360234, 362140, 380247, 385965, 400260, 488889, 506996, 514620, 540351, 543210, 600390, 633745, 651852, 720468, 760494, 771930, 814815, 900585, 977778, 1080702, 1086420, 1140741, 1200780, 1267490, 1466667, 1520988, 1543860, 1629630, 1801170, 1901235, 1955556, 2161404, 2281482, 2444445, 2534980, 2701755, 2933334, 3259260, 3422223, 3602340, 3802470, 4562964, 4888890, 5403510, 5703705, 5866668, 6844446, 7333335, 7604940, 9777780, 10266669, 10807020, 11407410, 13688892, 14666670, 17111115, 20533338, 22814820, 29333340, 34222230, 41066676, 51333345, 68444460, 102666690, 205333380]

約数ペア:

[(1, 205333380), (2, 102666690), (3, 68444460), (4, 51333345), (5, 41066676), (6, 34222230), (7, 29333340), (9, 22814820), (10, 20533338), (12, 17111115), (14, 14666670), (15, 13688892), (18, 11407410), (19, 10807020), (20, 10266669), (21, 9777780), (27, 7604940), (28, 7333335), (30, 6844446), (35, 5866668), (36, 5703705), (38, 5403510), (42, 4888890), (45, 4562964), (54, 3802470), (57, 3602340), (60, 3422223), (63, 3259260), (70, 2933334), (76, 2701755), (81, 2534980), (84, 2444445), (90, 2281482), (95, 2161404), (105, 1955556), (108, 1901235), (114, 1801170), (126, 1629630), (133, 1543860), (135, 1520988), (140, 1466667), (162, 1267490), (171, 1200780), (180, 1140741), (189, 1086420), (190, 1080702), (210, 977778), (228, 900585), (252, 814815), (266, 771930), (270, 760494), (285, 720468), (315, 651852), (324, 633745), (342, 600390), (378, 543210), (380, 540351), (399, 514620), (405, 506996), (420, 488889), (513, 400260), (532, 385965), (540, 380247), (567, 362140), (570, 360234), (630, 325926), (665, 308772), (684, 300195), (756, 271605), (798, 257310), (810, 253498), (855, 240156), (945, 217284), (953, 215460), (1026, 200130), (1134, 181070), (1140, 180117), (1197, 171540), (1260, 162963), (1330, 154386), (1539, 133420), (1596, 128655), (1620, 126749), (1710, 120078), (1890, 108642), (1906, 107730), (1995, 102924), (2052, 100065), (2268, 90535), (2394, 85770), (2565, 80052), (2660, 77193), (2835, 72428), (2859, 71820), (3078, 66710), (3420, 60039), (3591, 57180), (3780, 54321), (3812, 53865), (3990, 51462), (4765, 43092), (4788, 42885), (5130, 40026), (5670, 36214), (5718, 35910), (5985, 34308), (6156, 33355), (6671, 30780), (7182, 28590), (7695, 26684), (7980, 25731), (8577, 23940), (9530, 21546), (10260, 20013), (10773, 19060), (11340, 18107), (11436, 17955), (11970, 17154), (13342, 15390), (14295, 14364)]