80454880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2689}}^1$

素因数の和:2732

約数の個数: 96

約数和(自身を含む): 219633120

約数和(自身を除く): 139178240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 340, 352, 374, 440, 544, 680, 748, 880, 935, 1360, 1496, 1760, 1870, 2689, 2720, 2992, 3740, 5378, 5984, 7480, 10756, 13445, 14960, 21512, 26890, 29579, 29920, 43024, 45713, 53780, 59158, 86048, 91426, 107560, 118316, 147895, 182852, 215120, 228565, 236632, 295790, 365704, 430240, 457130, 473264, 502843, 591580, 731408, 914260, 946528, 1005686, 1183160, 1462816, 1828520, 2011372, 2366320, 2514215, 3657040, 4022744, 4732640, 5028430, 7314080, 8045488, 10056860, 16090976, 20113720, 40227440, 80454880]

約数ペア:

[(1, 80454880), (2, 40227440), (4, 20113720), (5, 16090976), (8, 10056860), (10, 8045488), (11, 7314080), (16, 5028430), (17, 4732640), (20, 4022744), (22, 3657040), (32, 2514215), (34, 2366320), (40, 2011372), (44, 1828520), (55, 1462816), (68, 1183160), (80, 1005686), (85, 946528), (88, 914260), (110, 731408), (136, 591580), (160, 502843), (170, 473264), (176, 457130), (187, 430240), (220, 365704), (272, 295790), (340, 236632), (352, 228565), (374, 215120), (440, 182852), (544, 147895), (680, 118316), (748, 107560), (880, 91426), (935, 86048), (1360, 59158), (1496, 53780), (1760, 45713), (1870, 43024), (2689, 29920), (2720, 29579), (2992, 26890), (3740, 21512), (5378, 14960), (5984, 13445), (7480, 10756)]