13279980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{4517}}^1$

素因数の和:4543

約数の個数: 72

約数和(自身を含む): 43264368

約数和(自身を除く): 29984388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 4517, 9034, 13551, 18068, 22585, 27102, 31619, 45170, 54204, 63238, 67755, 90340, 94857, 126476, 135510, 158095, 189714, 221333, 271020, 316190, 379428, 442666, 474285, 632380, 663999, 885332, 948570, 1106665, 1327998, 1897140, 2213330, 2655996, 3319995, 4426660, 6639990, 13279980]

約数ペア:

[(1, 13279980), (2, 6639990), (3, 4426660), (4, 3319995), (5, 2655996), (6, 2213330), (7, 1897140), (10, 1327998), (12, 1106665), (14, 948570), (15, 885332), (20, 663999), (21, 632380), (28, 474285), (30, 442666), (35, 379428), (42, 316190), (49, 271020), (60, 221333), (70, 189714), (84, 158095), (98, 135510), (105, 126476), (140, 94857), (147, 90340), (196, 67755), (210, 63238), (245, 54204), (294, 45170), (420, 31619), (490, 27102), (588, 22585), (735, 18068), (980, 13551), (1470, 9034), (2940, 4517)]