2028663560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{21247}}^1$

素因数の和:21307

約数の個数: 128

約数和(自身を含む): 5874647040

約数和(自身を除く): 3845983480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 88, 110, 124, 140, 154, 155, 217, 220, 248, 280, 308, 310, 341, 385, 434, 440, 616, 620, 682, 770, 868, 1085, 1240, 1364, 1540, 1705, 1736, 2170, 2387, 2728, 3080, 3410, 4340, 4774, 6820, 8680, 9548, 11935, 13640, 19096, 21247, 23870, 42494, 47740, 84988, 95480, 106235, 148729, 169976, 212470, 233717, 297458, 424940, 467434, 594916, 658657, 743645, 849880, 934868, 1168585, 1189832, 1317314, 1487290, 1636019, 1869736, 2337170, 2634628, 2974580, 3272038, 3293285, 4610599, 4674340, 5269256, 5949160, 6544076, 6586570, 7245227, 8180095, 9221198, 9348680, 13088152, 13173140, 14490454, 16360190, 18442396, 23052995, 26346280, 28980908, 32720380, 36226135, 36884792, 46105990, 50716589, 57961816, 65440760, 72452270, 92211980, 101433178, 144904540, 184423960, 202866356, 253582945, 289809080, 405732712, 507165890, 1014331780, 2028663560]

約数ペア:

[(1, 2028663560), (2, 1014331780), (4, 507165890), (5, 405732712), (7, 289809080), (8, 253582945), (10, 202866356), (11, 184423960), (14, 144904540), (20, 101433178), (22, 92211980), (28, 72452270), (31, 65440760), (35, 57961816), (40, 50716589), (44, 46105990), (55, 36884792), (56, 36226135), (62, 32720380), (70, 28980908), (77, 26346280), (88, 23052995), (110, 18442396), (124, 16360190), (140, 14490454), (154, 13173140), (155, 13088152), (217, 9348680), (220, 9221198), (248, 8180095), (280, 7245227), (308, 6586570), (310, 6544076), (341, 5949160), (385, 5269256), (434, 4674340), (440, 4610599), (616, 3293285), (620, 3272038), (682, 2974580), (770, 2634628), (868, 2337170), (1085, 1869736), (1240, 1636019), (1364, 1487290), (1540, 1317314), (1705, 1189832), (1736, 1168585), (2170, 934868), (2387, 849880), (2728, 743645), (3080, 658657), (3410, 594916), (4340, 467434), (4774, 424940), (6820, 297458), (8680, 233717), (9548, 212470), (11935, 169976), (13640, 148729), (19096, 106235), (21247, 95480), (23870, 84988), (42494, 47740)]