31210240

素因数分解:

$2^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{659}}^1$

素因数の和:717

約数の個数: 72

約数和(自身を含む): 76895280

約数和(自身を除く): 45685040

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, 659, 740, 1184, 1280, 1318, 1480, 2368, 2636, 2960, 3295, 4736, 5272, 5920, 6590, 9472, 10544, 11840, 13180, 21088, 23680, 24383, 26360, 42176, 47360, 48766, 52720, 84352, 97532, 105440, 121915, 168704, 195064, 210880, 243830, 390128, 421760, 487660, 780256, 843520, 975320, 1560512, 1950640, 3121024, 3901280, 6242048, 7802560, 15605120, 31210240]

約数ペア:

[(1, 31210240), (2, 15605120), (4, 7802560), (5, 6242048), (8, 3901280), (10, 3121024), (16, 1950640), (20, 1560512), (32, 975320), (37, 843520), (40, 780256), (64, 487660), (74, 421760), (80, 390128), (128, 243830), (148, 210880), (160, 195064), (185, 168704), (256, 121915), (296, 105440), (320, 97532), (370, 84352), (592, 52720), (640, 48766), (659, 47360), (740, 42176), (1184, 26360), (1280, 24383), (1318, 23680), (1480, 21088), (2368, 13180), (2636, 11840), (2960, 10544), (3295, 9472), (4736, 6590), (5272, 5920)]