80487420

素因数分解:

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

素因数の和:5475

約数の個数: 96

約数和(自身を含む): 255521280

約数和(自身を除く): 175033860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 247, 260, 285, 380, 390, 494, 570, 741, 780, 988, 1140, 1235, 1482, 2470, 2964, 3705, 4940, 5431, 7410, 10862, 14820, 16293, 21724, 27155, 32586, 54310, 65172, 70603, 81465, 103189, 108620, 141206, 162930, 206378, 211809, 282412, 309567, 325860, 353015, 412756, 423618, 515945, 619134, 706030, 847236, 1031890, 1059045, 1238268, 1341457, 1412060, 1547835, 2063780, 2118090, 2682914, 3095670, 4024371, 4236180, 5365828, 6191340, 6707285, 8048742, 13414570, 16097484, 20121855, 26829140, 40243710, 80487420]

約数ペア:

[(1, 80487420), (2, 40243710), (3, 26829140), (4, 20121855), (5, 16097484), (6, 13414570), (10, 8048742), (12, 6707285), (13, 6191340), (15, 5365828), (19, 4236180), (20, 4024371), (26, 3095670), (30, 2682914), (38, 2118090), (39, 2063780), (52, 1547835), (57, 1412060), (60, 1341457), (65, 1238268), (76, 1059045), (78, 1031890), (95, 847236), (114, 706030), (130, 619134), (156, 515945), (190, 423618), (195, 412756), (228, 353015), (247, 325860), (260, 309567), (285, 282412), (380, 211809), (390, 206378), (494, 162930), (570, 141206), (741, 108620), (780, 103189), (988, 81465), (1140, 70603), (1235, 65172), (1482, 54310), (2470, 32586), (2964, 27155), (3705, 21724), (4940, 16293), (5431, 14820), (7410, 10862)]