880816640

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1009}}^1$

素因数の和:1074

約数の個数: 160

約数和(自身を含む): 2380561920

約数和(自身を除く): 1499745280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 256, 310, 320, 341, 352, 440, 496, 512, 620, 640, 682, 704, 880, 992, 1009, 1240, 1280, 1364, 1408, 1705, 1760, 1984, 2018, 2480, 2560, 2728, 2816, 3410, 3520, 3968, 4036, 4960, 5045, 5456, 5632, 6820, 7040, 7936, 8072, 9920, 10090, 10912, 11099, 13640, 14080, 15872, 16144, 19840, 20180, 21824, 22198, 27280, 28160, 31279, 32288, 39680, 40360, 43648, 44396, 54560, 55495, 62558, 64576, 79360, 80720, 87296, 88792, 109120, 110990, 125116, 129152, 156395, 161440, 174592, 177584, 218240, 221980, 250232, 258304, 312790, 322880, 344069, 355168, 436480, 443960, 500464, 516608, 625580, 645760, 688138, 710336, 872960, 887920, 1000928, 1251160, 1291520, 1376276, 1420672, 1720345, 1775840, 2001856, 2502320, 2583040, 2752552, 2841344, 3440690, 3551680, 4003712, 5004640, 5505104, 5682688, 6881380, 7103360, 8007424, 10009280, 11010208, 13762760, 14206720, 16014848, 20018560, 22020416, 27525520, 28413440, 40037120, 44040832, 55051040, 80074240, 88081664, 110102080, 176163328, 220204160, 440408320, 880816640]

約数ペア:

[(1, 880816640), (2, 440408320), (4, 220204160), (5, 176163328), (8, 110102080), (10, 88081664), (11, 80074240), (16, 55051040), (20, 44040832), (22, 40037120), (31, 28413440), (32, 27525520), (40, 22020416), (44, 20018560), (55, 16014848), (62, 14206720), (64, 13762760), (80, 11010208), (88, 10009280), (110, 8007424), (124, 7103360), (128, 6881380), (155, 5682688), (160, 5505104), (176, 5004640), (220, 4003712), (248, 3551680), (256, 3440690), (310, 2841344), (320, 2752552), (341, 2583040), (352, 2502320), (440, 2001856), (496, 1775840), (512, 1720345), (620, 1420672), (640, 1376276), (682, 1291520), (704, 1251160), (880, 1000928), (992, 887920), (1009, 872960), (1240, 710336), (1280, 688138), (1364, 645760), (1408, 625580), (1705, 516608), (1760, 500464), (1984, 443960), (2018, 436480), (2480, 355168), (2560, 344069), (2728, 322880), (2816, 312790), (3410, 258304), (3520, 250232), (3968, 221980), (4036, 218240), (4960, 177584), (5045, 174592), (5456, 161440), (5632, 156395), (6820, 129152), (7040, 125116), (7936, 110990), (8072, 109120), (9920, 88792), (10090, 87296), (10912, 80720), (11099, 79360), (13640, 64576), (14080, 62558), (15872, 55495), (16144, 54560), (19840, 44396), (20180, 43648), (21824, 40360), (22198, 39680), (27280, 32288), (28160, 31279)]