639713880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{136691}}^1$

素因数の和:136721

約数の個数: 96

約数和(自身を含む): 2239014960

約数和(自身を除く): 1599301080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 136691, 273382, 410073, 546764, 683455, 820146, 1093528, 1230219, 1366910, 1640292, 1776983, 2050365, 2460438, 2733820, 3280584, 3553966, 4100730, 4920876, 5330949, 5467640, 6151095, 7107932, 8201460, 8884915, 9841752, 10661898, 12302190, 14215864, 15992847, 16402920, 17769830, 21323796, 24604380, 26654745, 31985694, 35539660, 42647592, 49208760, 53309490, 63971388, 71079320, 79964235, 106618980, 127942776, 159928470, 213237960, 319856940, 639713880]

約数ペア:

[(1, 639713880), (2, 319856940), (3, 213237960), (4, 159928470), (5, 127942776), (6, 106618980), (8, 79964235), (9, 71079320), (10, 63971388), (12, 53309490), (13, 49208760), (15, 42647592), (18, 35539660), (20, 31985694), (24, 26654745), (26, 24604380), (30, 21323796), (36, 17769830), (39, 16402920), (40, 15992847), (45, 14215864), (52, 12302190), (60, 10661898), (65, 9841752), (72, 8884915), (78, 8201460), (90, 7107932), (104, 6151095), (117, 5467640), (120, 5330949), (130, 4920876), (156, 4100730), (180, 3553966), (195, 3280584), (234, 2733820), (260, 2460438), (312, 2050365), (360, 1776983), (390, 1640292), (468, 1366910), (520, 1230219), (585, 1093528), (780, 820146), (936, 683455), (1170, 546764), (1560, 410073), (2340, 273382), (4680, 136691)]