2640885240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{165469}}^1$

素因数の和:165509

約数の個数: 128

約数和(自身を含む): 9531072000

約数和(自身を除く): 6890186760

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, 5320, 7980, 15960, 165469, 330938, 496407, 661876, 827345, 992814, 1158283, 1323752, 1654690, 1985628, 2316566, 2482035, 3143911, 3309380, 3474849, 3971256, 4633132, 4964070, 5791415, 6287822, 6618760, 6949698, 9266264, 9431733, 9928140, 11582830, 12575644, 13899396, 15719555, 17374245, 18863466, 19856280, 22007377, 23165660, 25151288, 27798792, 31439110, 34748490, 37726932, 44014754, 46331320, 47158665, 62878220, 66022131, 69496980, 75453864, 88029508, 94317330, 110036885, 125756440, 132044262, 138993960, 176059016, 188634660, 220073770, 264088524, 330110655, 377269320, 440147540, 528177048, 660221310, 880295080, 1320442620, 2640885240]

約数ペア:

[(1, 2640885240), (2, 1320442620), (3, 880295080), (4, 660221310), (5, 528177048), (6, 440147540), (7, 377269320), (8, 330110655), (10, 264088524), (12, 220073770), (14, 188634660), (15, 176059016), (19, 138993960), (20, 132044262), (21, 125756440), (24, 110036885), (28, 94317330), (30, 88029508), (35, 75453864), (38, 69496980), (40, 66022131), (42, 62878220), (56, 47158665), (57, 46331320), (60, 44014754), (70, 37726932), (76, 34748490), (84, 31439110), (95, 27798792), (105, 25151288), (114, 23165660), (120, 22007377), (133, 19856280), (140, 18863466), (152, 17374245), (168, 15719555), (190, 13899396), (210, 12575644), (228, 11582830), (266, 9928140), (280, 9431733), (285, 9266264), (380, 6949698), (399, 6618760), (420, 6287822), (456, 5791415), (532, 4964070), (570, 4633132), (665, 3971256), (760, 3474849), (798, 3309380), (840, 3143911), (1064, 2482035), (1140, 2316566), (1330, 1985628), (1596, 1654690), (1995, 1323752), (2280, 1158283), (2660, 992814), (3192, 827345), (3990, 661876), (5320, 496407), (7980, 330938), (15960, 165469)]