78507240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4919}}^1$

素因数の和:4959

約数の個数: 128

約数和(自身を含む): 283392000

約数和(自身を除く): 204884760

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, 4919, 5320, 7980, 9838, 14757, 15960, 19676, 24595, 29514, 34433, 39352, 49190, 59028, 68866, 73785, 93461, 98380, 103299, 118056, 137732, 147570, 172165, 186922, 196760, 206598, 275464, 280383, 295140, 344330, 373844, 413196, 467305, 516495, 560766, 590280, 654227, 688660, 747688, 826392, 934610, 1032990, 1121532, 1308454, 1377320, 1401915, 1869220, 1962681, 2065980, 2243064, 2616908, 2803830, 3271135, 3738440, 3925362, 4131960, 5233816, 5607660, 6542270, 7850724, 9813405, 11215320, 13084540, 15701448, 19626810, 26169080, 39253620, 78507240]

約数ペア:

[(1, 78507240), (2, 39253620), (3, 26169080), (4, 19626810), (5, 15701448), (6, 13084540), (7, 11215320), (8, 9813405), (10, 7850724), (12, 6542270), (14, 5607660), (15, 5233816), (19, 4131960), (20, 3925362), (21, 3738440), (24, 3271135), (28, 2803830), (30, 2616908), (35, 2243064), (38, 2065980), (40, 1962681), (42, 1869220), (56, 1401915), (57, 1377320), (60, 1308454), (70, 1121532), (76, 1032990), (84, 934610), (95, 826392), (105, 747688), (114, 688660), (120, 654227), (133, 590280), (140, 560766), (152, 516495), (168, 467305), (190, 413196), (210, 373844), (228, 344330), (266, 295140), (280, 280383), (285, 275464), (380, 206598), (399, 196760), (420, 186922), (456, 172165), (532, 147570), (570, 137732), (665, 118056), (760, 103299), (798, 98380), (840, 93461), (1064, 73785), (1140, 68866), (1330, 59028), (1596, 49190), (1995, 39352), (2280, 34433), (2660, 29514), (3192, 24595), (3990, 19676), (4919, 15960), (5320, 14757), (7980, 9838)]