128203520

素因数分解:

$2^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2707}}^1$

素因数の和:2765

約数の個数: 72

約数和(自身を含む): 315503664

約数和(自身を除く): 187300144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 256, 296, 320, 370, 592, 640, 740, 1184, 1280, 1480, 2368, 2707, 2960, 4736, 5414, 5920, 9472, 10828, 11840, 13535, 21656, 23680, 27070, 43312, 47360, 54140, 86624, 100159, 108280, 173248, 200318, 216560, 346496, 400636, 433120, 500795, 692992, 801272, 866240, 1001590, 1602544, 1732480, 2003180, 3205088, 3464960, 4006360, 6410176, 8012720, 12820352, 16025440, 25640704, 32050880, 64101760, 128203520]

約数ペア:

[(1, 128203520), (2, 64101760), (4, 32050880), (5, 25640704), (8, 16025440), (10, 12820352), (16, 8012720), (20, 6410176), (32, 4006360), (37, 3464960), (40, 3205088), (64, 2003180), (74, 1732480), (80, 1602544), (128, 1001590), (148, 866240), (160, 801272), (185, 692992), (256, 500795), (296, 433120), (320, 400636), (370, 346496), (592, 216560), (640, 200318), (740, 173248), (1184, 108280), (1280, 100159), (1480, 86624), (2368, 54140), (2707, 47360), (2960, 43312), (4736, 27070), (5414, 23680), (5920, 21656), (9472, 13535), (10828, 11840)]