84905600

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^2\times {\mathrm{157}}^1$

素因数の和:207

約数の個数: 144

約数和(自身を含む): 228565170

約数和(自身を除く): 143659570

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 157, 160, 169, 200, 208, 260, 314, 320, 325, 338, 400, 416, 520, 628, 640, 650, 676, 785, 800, 832, 845, 1040, 1256, 1300, 1352, 1570, 1600, 1664, 1690, 2041, 2080, 2512, 2600, 2704, 3140, 3200, 3380, 3925, 4082, 4160, 4225, 5024, 5200, 5408, 6280, 6760, 7850, 8164, 8320, 8450, 10048, 10205, 10400, 10816, 12560, 13520, 15700, 16328, 16900, 20096, 20410, 20800, 21632, 25120, 26533, 27040, 31400, 32656, 33800, 40820, 41600, 50240, 51025, 53066, 54080, 62800, 65312, 67600, 81640, 100480, 102050, 106132, 108160, 125600, 130624, 132665, 135200, 163280, 204100, 212264, 251200, 261248, 265330, 270400, 326560, 408200, 424528, 502400, 530660, 540800, 653120, 663325, 816400, 849056, 1061320, 1306240, 1326650, 1632800, 1698112, 2122640, 2653300, 3265600, 3396224, 4245280, 5306600, 6531200, 8490560, 10613200, 16981120, 21226400, 42452800, 84905600]

約数ペア:

[(1, 84905600), (2, 42452800), (4, 21226400), (5, 16981120), (8, 10613200), (10, 8490560), (13, 6531200), (16, 5306600), (20, 4245280), (25, 3396224), (26, 3265600), (32, 2653300), (40, 2122640), (50, 1698112), (52, 1632800), (64, 1326650), (65, 1306240), (80, 1061320), (100, 849056), (104, 816400), (128, 663325), (130, 653120), (157, 540800), (160, 530660), (169, 502400), (200, 424528), (208, 408200), (260, 326560), (314, 270400), (320, 265330), (325, 261248), (338, 251200), (400, 212264), (416, 204100), (520, 163280), (628, 135200), (640, 132665), (650, 130624), (676, 125600), (785, 108160), (800, 106132), (832, 102050), (845, 100480), (1040, 81640), (1256, 67600), (1300, 65312), (1352, 62800), (1570, 54080), (1600, 53066), (1664, 51025), (1690, 50240), (2041, 41600), (2080, 40820), (2512, 33800), (2600, 32656), (2704, 31400), (3140, 27040), (3200, 26533), (3380, 25120), (3925, 21632), (4082, 20800), (4160, 20410), (4225, 20096), (5024, 16900), (5200, 16328), (5408, 15700), (6280, 13520), (6760, 12560), (7850, 10816), (8164, 10400), (8320, 10205), (8450, 10048)]