505471120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2647}}^1$

素因数の和:2709

約数の個数: 160

約数和(自身を含む): 1513046016

約数和(自身を除く): 1007574896

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 80, 88, 110, 112, 124, 140, 154, 155, 176, 217, 220, 248, 280, 308, 310, 341, 385, 434, 440, 496, 560, 616, 620, 682, 770, 868, 880, 1085, 1232, 1240, 1364, 1540, 1705, 1736, 2170, 2387, 2480, 2647, 2728, 3080, 3410, 3472, 4340, 4774, 5294, 5456, 6160, 6820, 8680, 9548, 10588, 11935, 13235, 13640, 17360, 18529, 19096, 21176, 23870, 26470, 27280, 29117, 37058, 38192, 42352, 47740, 52940, 58234, 74116, 82057, 92645, 95480, 105880, 116468, 145585, 148232, 164114, 185290, 190960, 203819, 211760, 232936, 291170, 296464, 328228, 370580, 407638, 410285, 465872, 574399, 582340, 656456, 741160, 815276, 820570, 902627, 1019095, 1148798, 1164680, 1312912, 1482320, 1630552, 1641140, 1805254, 2038190, 2297596, 2329360, 2871995, 3261104, 3282280, 3610508, 4076380, 4513135, 4595192, 5743990, 6318389, 6564560, 7221016, 8152760, 9026270, 9190384, 11487980, 12636778, 14442032, 16305520, 18052540, 22975960, 25273556, 31591945, 36105080, 45951920, 50547112, 63183890, 72210160, 101094224, 126367780, 252735560, 505471120]

約数ペア:

[(1, 505471120), (2, 252735560), (4, 126367780), (5, 101094224), (7, 72210160), (8, 63183890), (10, 50547112), (11, 45951920), (14, 36105080), (16, 31591945), (20, 25273556), (22, 22975960), (28, 18052540), (31, 16305520), (35, 14442032), (40, 12636778), (44, 11487980), (55, 9190384), (56, 9026270), (62, 8152760), (70, 7221016), (77, 6564560), (80, 6318389), (88, 5743990), (110, 4595192), (112, 4513135), (124, 4076380), (140, 3610508), (154, 3282280), (155, 3261104), (176, 2871995), (217, 2329360), (220, 2297596), (248, 2038190), (280, 1805254), (308, 1641140), (310, 1630552), (341, 1482320), (385, 1312912), (434, 1164680), (440, 1148798), (496, 1019095), (560, 902627), (616, 820570), (620, 815276), (682, 741160), (770, 656456), (868, 582340), (880, 574399), (1085, 465872), (1232, 410285), (1240, 407638), (1364, 370580), (1540, 328228), (1705, 296464), (1736, 291170), (2170, 232936), (2387, 211760), (2480, 203819), (2647, 190960), (2728, 185290), (3080, 164114), (3410, 148232), (3472, 145585), (4340, 116468), (4774, 105880), (5294, 95480), (5456, 92645), (6160, 82057), (6820, 74116), (8680, 58234), (9548, 52940), (10588, 47740), (11935, 42352), (13235, 38192), (13640, 37058), (17360, 29117), (18529, 27280), (19096, 26470), (21176, 23870)]