78618880

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3613}}^1$

素因数の和:3651

約数の個数: 72

約数和(自身を含む): 199449432

約数和(自身を除く): 120830552

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 3613, 4352, 5440, 7226, 10880, 14452, 18065, 21760, 28904, 36130, 57808, 61421, 72260, 115616, 122842, 144520, 231232, 245684, 289040, 307105, 462464, 491368, 578080, 614210, 924928, 982736, 1156160, 1228420, 1965472, 2312320, 2456840, 3930944, 4624640, 4913680, 7861888, 9827360, 15723776, 19654720, 39309440, 78618880]

約数ペア:

[(1, 78618880), (2, 39309440), (4, 19654720), (5, 15723776), (8, 9827360), (10, 7861888), (16, 4913680), (17, 4624640), (20, 3930944), (32, 2456840), (34, 2312320), (40, 1965472), (64, 1228420), (68, 1156160), (80, 982736), (85, 924928), (128, 614210), (136, 578080), (160, 491368), (170, 462464), (256, 307105), (272, 289040), (320, 245684), (340, 231232), (544, 144520), (640, 122842), (680, 115616), (1088, 72260), (1280, 61421), (1360, 57808), (2176, 36130), (2720, 28904), (3613, 21760), (4352, 18065), (5440, 14452), (7226, 10880)]