80213520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1181}}^1$

素因数の和:1480

約数の個数: 80

約数和(自身を含む): 249751872

約数和(自身を除く): 169538352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 283, 566, 849, 1132, 1181, 1415, 1698, 2264, 2362, 2830, 3396, 3543, 4245, 4528, 4724, 5660, 5905, 6792, 7086, 8490, 9448, 11320, 11810, 13584, 14172, 16980, 17715, 18896, 22640, 23620, 28344, 33960, 35430, 47240, 56688, 67920, 70860, 94480, 141720, 283440, 334223, 668446, 1002669, 1336892, 1671115, 2005338, 2673784, 3342230, 4010676, 5013345, 5347568, 6684460, 8021352, 10026690, 13368920, 16042704, 20053380, 26737840, 40106760, 80213520]

約数ペア:

[(1, 80213520), (2, 40106760), (3, 26737840), (4, 20053380), (5, 16042704), (6, 13368920), (8, 10026690), (10, 8021352), (12, 6684460), (15, 5347568), (16, 5013345), (20, 4010676), (24, 3342230), (30, 2673784), (40, 2005338), (48, 1671115), (60, 1336892), (80, 1002669), (120, 668446), (240, 334223), (283, 283440), (566, 141720), (849, 94480), (1132, 70860), (1181, 67920), (1415, 56688), (1698, 47240), (2264, 35430), (2362, 33960), (2830, 28344), (3396, 23620), (3543, 22640), (4245, 18896), (4528, 17715), (4724, 16980), (5660, 14172), (5905, 13584), (6792, 11810), (7086, 11320), (8490, 9448)]