205391120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7529}}^1$

素因数の和:7584

約数の個数: 80

約数和(自身を含む): 537822720

約数和(自身を除く): 332431600

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, 7529, 13640, 15058, 27280, 30116, 37645, 60232, 75290, 82819, 120464, 150580, 165638, 233399, 301160, 331276, 414095, 466798, 602320, 662552, 828190, 933596, 1166995, 1325104, 1656380, 1867192, 2333990, 2567389, 3312760, 3734384, 4667980, 5134778, 6625520, 9335960, 10269556, 12836945, 18671920, 20539112, 25673890, 41078224, 51347780, 102695560, 205391120]

約数ペア:

[(1, 205391120), (2, 102695560), (4, 51347780), (5, 41078224), (8, 25673890), (10, 20539112), (11, 18671920), (16, 12836945), (20, 10269556), (22, 9335960), (31, 6625520), (40, 5134778), (44, 4667980), (55, 3734384), (62, 3312760), (80, 2567389), (88, 2333990), (110, 1867192), (124, 1656380), (155, 1325104), (176, 1166995), (220, 933596), (248, 828190), (310, 662552), (341, 602320), (440, 466798), (496, 414095), (620, 331276), (682, 301160), (880, 233399), (1240, 165638), (1364, 150580), (1705, 120464), (2480, 82819), (2728, 75290), (3410, 60232), (5456, 37645), (6820, 30116), (7529, 27280), (13640, 15058)]