1211122880

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1009}}^1$

素因数の和:1079

約数の個数: 168

約数和(自身を含む): 3275502720

約数和(自身を除く): 2064379840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 121, 124, 155, 160, 176, 220, 242, 248, 310, 320, 341, 352, 440, 484, 496, 605, 620, 682, 704, 880, 968, 992, 1009, 1210, 1240, 1364, 1705, 1760, 1936, 1984, 2018, 2420, 2480, 2728, 3410, 3520, 3751, 3872, 4036, 4840, 4960, 5045, 5456, 6820, 7502, 7744, 8072, 9680, 9920, 10090, 10912, 11099, 13640, 15004, 16144, 18755, 19360, 20180, 21824, 22198, 27280, 30008, 31279, 32288, 37510, 38720, 40360, 44396, 54560, 55495, 60016, 62558, 64576, 75020, 80720, 88792, 109120, 110990, 120032, 122089, 125116, 150040, 156395, 161440, 177584, 221980, 240064, 244178, 250232, 300080, 312790, 322880, 344069, 355168, 443960, 488356, 500464, 600160, 610445, 625580, 688138, 710336, 887920, 976712, 1000928, 1200320, 1220890, 1251160, 1376276, 1720345, 1775840, 1953424, 2001856, 2441780, 2502320, 2752552, 3440690, 3551680, 3784759, 3906848, 4883560, 5004640, 5505104, 6881380, 7569518, 7813696, 9767120, 10009280, 11010208, 13762760, 15139036, 18923795, 19534240, 22020416, 27525520, 30278072, 37847590, 39068480, 55051040, 60556144, 75695180, 110102080, 121112288, 151390360, 242224576, 302780720, 605561440, 1211122880]

約数ペア:

[(1, 1211122880), (2, 605561440), (4, 302780720), (5, 242224576), (8, 151390360), (10, 121112288), (11, 110102080), (16, 75695180), (20, 60556144), (22, 55051040), (31, 39068480), (32, 37847590), (40, 30278072), (44, 27525520), (55, 22020416), (62, 19534240), (64, 18923795), (80, 15139036), (88, 13762760), (110, 11010208), (121, 10009280), (124, 9767120), (155, 7813696), (160, 7569518), (176, 6881380), (220, 5505104), (242, 5004640), (248, 4883560), (310, 3906848), (320, 3784759), (341, 3551680), (352, 3440690), (440, 2752552), (484, 2502320), (496, 2441780), (605, 2001856), (620, 1953424), (682, 1775840), (704, 1720345), (880, 1376276), (968, 1251160), (992, 1220890), (1009, 1200320), (1210, 1000928), (1240, 976712), (1364, 887920), (1705, 710336), (1760, 688138), (1936, 625580), (1984, 610445), (2018, 600160), (2420, 500464), (2480, 488356), (2728, 443960), (3410, 355168), (3520, 344069), (3751, 322880), (3872, 312790), (4036, 300080), (4840, 250232), (4960, 244178), (5045, 240064), (5456, 221980), (6820, 177584), (7502, 161440), (7744, 156395), (8072, 150040), (9680, 125116), (9920, 122089), (10090, 120032), (10912, 110990), (11099, 109120), (13640, 88792), (15004, 80720), (16144, 75020), (18755, 64576), (19360, 62558), (20180, 60016), (21824, 55495), (22198, 54560), (27280, 44396), (30008, 40360), (31279, 38720), (32288, 37510)]