72980560240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1649651}}^1$

素因数の和:1649750

約数の個数: 80

約数和(自身を含む): 196374574080

約数和(自身を除く): 123394013840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 553, 560, 632, 790, 1106, 1264, 1580, 2212, 2765, 3160, 4424, 5530, 6320, 8848, 11060, 22120, 44240, 1649651, 3299302, 6598604, 8248255, 11547557, 13197208, 16496510, 23095114, 26394416, 32993020, 46190228, 57737785, 65986040, 92380456, 115475570, 130322429, 131972080, 184760912, 230951140, 260644858, 461902280, 521289716, 651612145, 912257003, 923804560, 1042579432, 1303224290, 1824514006, 2085158864, 2606448580, 3649028012, 4561285015, 5212897160, 7298056024, 9122570030, 10425794320, 14596112048, 18245140060, 36490280120, 72980560240]

約数ペア:

[(1, 72980560240), (2, 36490280120), (4, 18245140060), (5, 14596112048), (7, 10425794320), (8, 9122570030), (10, 7298056024), (14, 5212897160), (16, 4561285015), (20, 3649028012), (28, 2606448580), (35, 2085158864), (40, 1824514006), (56, 1303224290), (70, 1042579432), (79, 923804560), (80, 912257003), (112, 651612145), (140, 521289716), (158, 461902280), (280, 260644858), (316, 230951140), (395, 184760912), (553, 131972080), (560, 130322429), (632, 115475570), (790, 92380456), (1106, 65986040), (1264, 57737785), (1580, 46190228), (2212, 32993020), (2765, 26394416), (3160, 23095114), (4424, 16496510), (5530, 13197208), (6320, 11547557), (8848, 8248255), (11060, 6598604), (22120, 3299302), (44240, 1649651)]