26971980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:599

約数の個数: 96

約数和(自身を含む): 87091200

約数和(自身を除く): 60119220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 149, 210, 298, 420, 431, 447, 596, 745, 862, 894, 1043, 1293, 1490, 1724, 1788, 2086, 2155, 2235, 2586, 2980, 3017, 3129, 4172, 4310, 4470, 5172, 5215, 6034, 6258, 6465, 8620, 8940, 9051, 10430, 12068, 12516, 12930, 15085, 15645, 18102, 20860, 25860, 30170, 31290, 36204, 45255, 60340, 62580, 64219, 90510, 128438, 181020, 192657, 256876, 321095, 385314, 449533, 642190, 770628, 899066, 963285, 1284380, 1348599, 1798132, 1926570, 2247665, 2697198, 3853140, 4495330, 5394396, 6742995, 8990660, 13485990, 26971980]

約数ペア:

[(1, 26971980), (2, 13485990), (3, 8990660), (4, 6742995), (5, 5394396), (6, 4495330), (7, 3853140), (10, 2697198), (12, 2247665), (14, 1926570), (15, 1798132), (20, 1348599), (21, 1284380), (28, 963285), (30, 899066), (35, 770628), (42, 642190), (60, 449533), (70, 385314), (84, 321095), (105, 256876), (140, 192657), (149, 181020), (210, 128438), (298, 90510), (420, 64219), (431, 62580), (447, 60340), (596, 45255), (745, 36204), (862, 31290), (894, 30170), (1043, 25860), (1293, 20860), (1490, 18102), (1724, 15645), (1788, 15085), (2086, 12930), (2155, 12516), (2235, 12068), (2586, 10430), (2980, 9051), (3017, 8940), (3129, 8620), (4172, 6465), (4310, 6258), (4470, 6034), (5172, 5215)]