2740284880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1\times {\mathrm{2609}}^1$

素因数の和:3332

約数の個数: 80

約数和(自身を含む): 6718766400

約数和(自身を除く): 3978481520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 691, 760, 1382, 1520, 2609, 2764, 3455, 5218, 5528, 6910, 10436, 11056, 13045, 13129, 13820, 20872, 26090, 26258, 27640, 41744, 49571, 52180, 52516, 55280, 65645, 99142, 104360, 105032, 131290, 198284, 208720, 210064, 247855, 262580, 396568, 495710, 525160, 793136, 991420, 1050320, 1802819, 1982840, 3605638, 3965680, 7211276, 9014095, 14422552, 18028190, 28845104, 34253561, 36056380, 68507122, 72112760, 137014244, 144225520, 171267805, 274028488, 342535610, 548056976, 685071220, 1370142440, 2740284880]

約数ペア:

[(1, 2740284880), (2, 1370142440), (4, 685071220), (5, 548056976), (8, 342535610), (10, 274028488), (16, 171267805), (19, 144225520), (20, 137014244), (38, 72112760), (40, 68507122), (76, 36056380), (80, 34253561), (95, 28845104), (152, 18028190), (190, 14422552), (304, 9014095), (380, 7211276), (691, 3965680), (760, 3605638), (1382, 1982840), (1520, 1802819), (2609, 1050320), (2764, 991420), (3455, 793136), (5218, 525160), (5528, 495710), (6910, 396568), (10436, 262580), (11056, 247855), (13045, 210064), (13129, 208720), (13820, 198284), (20872, 131290), (26090, 105032), (26258, 104360), (27640, 99142), (41744, 65645), (49571, 55280), (52180, 52516)]