156747520

素因数分解:

$2^8\times 5^1\times {\mathrm{139}}^1\times {\mathrm{881}}^1$

素因数の和:1041

約数の個数: 72

約数和(自身を含む): 378589680

約数和(自身を除く): 221842160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 256, 278, 320, 556, 640, 695, 881, 1112, 1280, 1390, 1762, 2224, 2780, 3524, 4405, 4448, 5560, 7048, 8810, 8896, 11120, 14096, 17620, 17792, 22240, 28192, 35240, 35584, 44480, 56384, 70480, 88960, 112768, 122459, 140960, 177920, 225536, 244918, 281920, 489836, 563840, 612295, 979672, 1127680, 1224590, 1959344, 2449180, 3918688, 4898360, 7837376, 9796720, 15674752, 19593440, 31349504, 39186880, 78373760, 156747520]

約数ペア:

[(1, 156747520), (2, 78373760), (4, 39186880), (5, 31349504), (8, 19593440), (10, 15674752), (16, 9796720), (20, 7837376), (32, 4898360), (40, 3918688), (64, 2449180), (80, 1959344), (128, 1224590), (139, 1127680), (160, 979672), (256, 612295), (278, 563840), (320, 489836), (556, 281920), (640, 244918), (695, 225536), (881, 177920), (1112, 140960), (1280, 122459), (1390, 112768), (1762, 88960), (2224, 70480), (2780, 56384), (3524, 44480), (4405, 35584), (4448, 35240), (5560, 28192), (7048, 22240), (8810, 17792), (8896, 17620), (11120, 14096)]