155979520

素因数分解:

$2^8\times 5^1\times {\mathrm{233}}^1\times {\mathrm{523}}^1$

素因数の和:777

約数の個数: 72

約数和(自身を含む): 375940656

約数和(自身を除く): 219961136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 233, 256, 320, 466, 523, 640, 932, 1046, 1165, 1280, 1864, 2092, 2330, 2615, 3728, 4184, 4660, 5230, 7456, 8368, 9320, 10460, 14912, 16736, 18640, 20920, 29824, 33472, 37280, 41840, 59648, 66944, 74560, 83680, 121859, 133888, 149120, 167360, 243718, 298240, 334720, 487436, 609295, 669440, 974872, 1218590, 1949744, 2437180, 3899488, 4874360, 7798976, 9748720, 15597952, 19497440, 31195904, 38994880, 77989760, 155979520]

約数ペア:

[(1, 155979520), (2, 77989760), (4, 38994880), (5, 31195904), (8, 19497440), (10, 15597952), (16, 9748720), (20, 7798976), (32, 4874360), (40, 3899488), (64, 2437180), (80, 1949744), (128, 1218590), (160, 974872), (233, 669440), (256, 609295), (320, 487436), (466, 334720), (523, 298240), (640, 243718), (932, 167360), (1046, 149120), (1165, 133888), (1280, 121859), (1864, 83680), (2092, 74560), (2330, 66944), (2615, 59648), (3728, 41840), (4184, 37280), (4660, 33472), (5230, 29824), (7456, 20920), (8368, 18640), (9320, 16736), (10460, 14912)]