219960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:77

約数の個数: 96

約数和(自身を含む): 786240

約数和(自身を除く): 566280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 47, 52, 60, 65, 72, 78, 90, 94, 104, 117, 120, 130, 141, 156, 180, 188, 195, 234, 235, 260, 282, 312, 360, 376, 390, 423, 468, 470, 520, 564, 585, 611, 705, 780, 846, 936, 940, 1128, 1170, 1222, 1410, 1560, 1692, 1833, 1880, 2115, 2340, 2444, 2820, 3055, 3384, 3666, 4230, 4680, 4888, 5499, 5640, 6110, 7332, 8460, 9165, 10998, 12220, 14664, 16920, 18330, 21996, 24440, 27495, 36660, 43992, 54990, 73320, 109980, 219960]

約数ペア:

[(1, 219960), (2, 109980), (3, 73320), (4, 54990), (5, 43992), (6, 36660), (8, 27495), (9, 24440), (10, 21996), (12, 18330), (13, 16920), (15, 14664), (18, 12220), (20, 10998), (24, 9165), (26, 8460), (30, 7332), (36, 6110), (39, 5640), (40, 5499), (45, 4888), (47, 4680), (52, 4230), (60, 3666), (65, 3384), (72, 3055), (78, 2820), (90, 2444), (94, 2340), (104, 2115), (117, 1880), (120, 1833), (130, 1692), (141, 1560), (156, 1410), (180, 1222), (188, 1170), (195, 1128), (234, 940), (235, 936), (260, 846), (282, 780), (312, 705), (360, 611), (376, 585), (390, 564), (423, 520), (468, 470)]