78698760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4931}}^1$

素因数の和:4971

約数の個数: 128

約数和(自身を含む): 284083200

約数和(自身を除く): 205384440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 4931, 5320, 7980, 9862, 14793, 15960, 19724, 24655, 29586, 34517, 39448, 49310, 59172, 69034, 73965, 93689, 98620, 103551, 118344, 138068, 147930, 172585, 187378, 197240, 207102, 276136, 281067, 295860, 345170, 374756, 414204, 468445, 517755, 562134, 591720, 655823, 690340, 749512, 828408, 936890, 1035510, 1124268, 1311646, 1380680, 1405335, 1873780, 1967469, 2071020, 2248536, 2623292, 2810670, 3279115, 3747560, 3934938, 4142040, 5246584, 5621340, 6558230, 7869876, 9837345, 11242680, 13116460, 15739752, 19674690, 26232920, 39349380, 78698760]

約数ペア:

[(1, 78698760), (2, 39349380), (3, 26232920), (4, 19674690), (5, 15739752), (6, 13116460), (7, 11242680), (8, 9837345), (10, 7869876), (12, 6558230), (14, 5621340), (15, 5246584), (19, 4142040), (20, 3934938), (21, 3747560), (24, 3279115), (28, 2810670), (30, 2623292), (35, 2248536), (38, 2071020), (40, 1967469), (42, 1873780), (56, 1405335), (57, 1380680), (60, 1311646), (70, 1124268), (76, 1035510), (84, 936890), (95, 828408), (105, 749512), (114, 690340), (120, 655823), (133, 591720), (140, 562134), (152, 517755), (168, 468445), (190, 414204), (210, 374756), (228, 345170), (266, 295860), (280, 281067), (285, 276136), (380, 207102), (399, 197240), (420, 187378), (456, 172585), (532, 147930), (570, 138068), (665, 118344), (760, 103551), (798, 98620), (840, 93689), (1064, 73965), (1140, 69034), (1330, 59172), (1596, 49310), (1995, 39448), (2280, 34517), (2660, 29586), (3192, 24655), (3990, 19724), (4931, 15960), (5320, 14793), (7980, 9862)]