281705970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5431}}^1$

素因数の和:5480

約数の個数: 128

約数和(自身を含む): 876072960

約数和(自身を除く): 594366990

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 19, 21, 26, 30, 35, 38, 39, 42, 57, 65, 70, 78, 91, 95, 105, 114, 130, 133, 182, 190, 195, 210, 247, 266, 273, 285, 390, 399, 455, 494, 546, 570, 665, 741, 798, 910, 1235, 1330, 1365, 1482, 1729, 1995, 2470, 2730, 3458, 3705, 3990, 5187, 5431, 7410, 8645, 10374, 10862, 16293, 17290, 25935, 27155, 32586, 38017, 51870, 54310, 70603, 76034, 81465, 103189, 114051, 141206, 162930, 190085, 206378, 211809, 228102, 309567, 353015, 380170, 423618, 494221, 515945, 570255, 619134, 706030, 722323, 988442, 1031890, 1059045, 1140510, 1341457, 1444646, 1482663, 1547835, 2118090, 2166969, 2471105, 2682914, 2965326, 3095670, 3611615, 4024371, 4333938, 4942210, 6707285, 7223230, 7413315, 8048742, 9390199, 10834845, 13414570, 14826630, 18780398, 20121855, 21669690, 28170597, 40243710, 46950995, 56341194, 93901990, 140852985, 281705970]

約数ペア:

[(1, 281705970), (2, 140852985), (3, 93901990), (5, 56341194), (6, 46950995), (7, 40243710), (10, 28170597), (13, 21669690), (14, 20121855), (15, 18780398), (19, 14826630), (21, 13414570), (26, 10834845), (30, 9390199), (35, 8048742), (38, 7413315), (39, 7223230), (42, 6707285), (57, 4942210), (65, 4333938), (70, 4024371), (78, 3611615), (91, 3095670), (95, 2965326), (105, 2682914), (114, 2471105), (130, 2166969), (133, 2118090), (182, 1547835), (190, 1482663), (195, 1444646), (210, 1341457), (247, 1140510), (266, 1059045), (273, 1031890), (285, 988442), (390, 722323), (399, 706030), (455, 619134), (494, 570255), (546, 515945), (570, 494221), (665, 423618), (741, 380170), (798, 353015), (910, 309567), (1235, 228102), (1330, 211809), (1365, 206378), (1482, 190085), (1729, 162930), (1995, 141206), (2470, 114051), (2730, 103189), (3458, 81465), (3705, 76034), (3990, 70603), (5187, 54310), (5431, 51870), (7410, 38017), (8645, 32586), (10374, 27155), (10862, 25935), (16293, 17290)]