618410320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{22669}}^1$

素因数の和:22724

約数の個数: 80

約数和(自身を含む): 1619182080

約数和(自身を除く): 1000771760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 13640, 22669, 27280, 45338, 90676, 113345, 181352, 226690, 249359, 362704, 453380, 498718, 702739, 906760, 997436, 1246795, 1405478, 1813520, 1994872, 2493590, 2810956, 3513695, 3989744, 4987180, 5621912, 7027390, 7730129, 9974360, 11243824, 14054780, 15460258, 19948720, 28109560, 30920516, 38650645, 56219120, 61841032, 77301290, 123682064, 154602580, 309205160, 618410320]

約数ペア:

[(1, 618410320), (2, 309205160), (4, 154602580), (5, 123682064), (8, 77301290), (10, 61841032), (11, 56219120), (16, 38650645), (20, 30920516), (22, 28109560), (31, 19948720), (40, 15460258), (44, 14054780), (55, 11243824), (62, 9974360), (80, 7730129), (88, 7027390), (110, 5621912), (124, 4987180), (155, 3989744), (176, 3513695), (220, 2810956), (248, 2493590), (310, 1994872), (341, 1813520), (440, 1405478), (496, 1246795), (620, 997436), (682, 906760), (880, 702739), (1240, 498718), (1364, 453380), (1705, 362704), (2480, 249359), (2728, 226690), (3410, 181352), (5456, 113345), (6820, 90676), (13640, 45338), (22669, 27280)]