30818760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1931}}^1$

素因数の和:1971

約数の個数: 128

約数和(自身を含む): 111283200

約数和(自身を除く): 80464440

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, 1931, 1995, 2280, 2660, 3192, 3862, 3990, 5320, 5793, 7724, 7980, 9655, 11586, 13517, 15448, 15960, 19310, 23172, 27034, 28965, 36689, 38620, 40551, 46344, 54068, 57930, 67585, 73378, 77240, 81102, 108136, 110067, 115860, 135170, 146756, 162204, 183445, 202755, 220134, 231720, 256823, 270340, 293512, 324408, 366890, 405510, 440268, 513646, 540680, 550335, 733780, 770469, 811020, 880536, 1027292, 1100670, 1284115, 1467560, 1540938, 1622040, 2054584, 2201340, 2568230, 3081876, 3852345, 4402680, 5136460, 6163752, 7704690, 10272920, 15409380, 30818760]

約数ペア:

[(1, 30818760), (2, 15409380), (3, 10272920), (4, 7704690), (5, 6163752), (6, 5136460), (7, 4402680), (8, 3852345), (10, 3081876), (12, 2568230), (14, 2201340), (15, 2054584), (19, 1622040), (20, 1540938), (21, 1467560), (24, 1284115), (28, 1100670), (30, 1027292), (35, 880536), (38, 811020), (40, 770469), (42, 733780), (56, 550335), (57, 540680), (60, 513646), (70, 440268), (76, 405510), (84, 366890), (95, 324408), (105, 293512), (114, 270340), (120, 256823), (133, 231720), (140, 220134), (152, 202755), (168, 183445), (190, 162204), (210, 146756), (228, 135170), (266, 115860), (280, 110067), (285, 108136), (380, 81102), (399, 77240), (420, 73378), (456, 67585), (532, 57930), (570, 54068), (665, 46344), (760, 40551), (798, 38620), (840, 36689), (1064, 28965), (1140, 27034), (1330, 23172), (1596, 19310), (1931, 15960), (1995, 15448), (2280, 13517), (2660, 11586), (3192, 9655), (3862, 7980), (3990, 7724), (5320, 5793)]