1642804520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{1283}}^1$

素因数の和:1587

約数の個数: 128

約数和(自身を含む): 4492972800

約数和(自身を除く): 2850168280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 269, 280, 340, 476, 538, 595, 680, 952, 1076, 1190, 1283, 1345, 1883, 2152, 2380, 2566, 2690, 3766, 4573, 4760, 5132, 5380, 6415, 7532, 8981, 9146, 9415, 10264, 10760, 12830, 15064, 17962, 18292, 18830, 21811, 22865, 25660, 32011, 35924, 36584, 37660, 43622, 44905, 45730, 51320, 64022, 71848, 75320, 87244, 89810, 91460, 109055, 128044, 152677, 160055, 174488, 179620, 182920, 218110, 256088, 305354, 320110, 345127, 359240, 436220, 610708, 640220, 690254, 763385, 872440, 1221416, 1280440, 1380508, 1526770, 1725635, 2415889, 2761016, 3053540, 3451270, 4831778, 5867159, 6107080, 6902540, 9663556, 11734318, 12079445, 13805080, 19327112, 23468636, 24158890, 29335795, 41070113, 46937272, 48317780, 58671590, 82140226, 96635560, 117343180, 164280452, 205350565, 234686360, 328560904, 410701130, 821402260, 1642804520]

約数ペア:

[(1, 1642804520), (2, 821402260), (4, 410701130), (5, 328560904), (7, 234686360), (8, 205350565), (10, 164280452), (14, 117343180), (17, 96635560), (20, 82140226), (28, 58671590), (34, 48317780), (35, 46937272), (40, 41070113), (56, 29335795), (68, 24158890), (70, 23468636), (85, 19327112), (119, 13805080), (136, 12079445), (140, 11734318), (170, 9663556), (238, 6902540), (269, 6107080), (280, 5867159), (340, 4831778), (476, 3451270), (538, 3053540), (595, 2761016), (680, 2415889), (952, 1725635), (1076, 1526770), (1190, 1380508), (1283, 1280440), (1345, 1221416), (1883, 872440), (2152, 763385), (2380, 690254), (2566, 640220), (2690, 610708), (3766, 436220), (4573, 359240), (4760, 345127), (5132, 320110), (5380, 305354), (6415, 256088), (7532, 218110), (8981, 182920), (9146, 179620), (9415, 174488), (10264, 160055), (10760, 152677), (12830, 128044), (15064, 109055), (17962, 91460), (18292, 89810), (18830, 87244), (21811, 75320), (22865, 71848), (25660, 64022), (32011, 51320), (35924, 45730), (36584, 44905), (37660, 43622)]