220344180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{503}}^1$

素因数の和:678

約数の個数: 144

約数和(自身を含む): 723945600

約数和(自身を除く): 503601420

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, 149, 196, 210, 245, 294, 298, 420, 447, 490, 503, 588, 596, 735, 745, 894, 980, 1006, 1043, 1470, 1490, 1509, 1788, 2012, 2086, 2235, 2515, 2940, 2980, 3018, 3129, 3521, 4172, 4470, 5030, 5215, 6036, 6258, 7042, 7301, 7545, 8940, 10060, 10430, 10563, 12516, 14084, 14602, 15090, 15645, 17605, 20860, 21126, 21903, 24647, 29204, 30180, 31290, 35210, 36505, 42252, 43806, 49294, 52815, 62580, 70420, 73010, 73941, 74947, 87612, 98588, 105630, 109515, 123235, 146020, 147882, 149894, 211260, 219030, 224841, 246470, 295764, 299788, 369705, 374735, 438060, 449682, 492940, 524629, 739410, 749470, 899364, 1049258, 1124205, 1478820, 1498940, 1573887, 2098516, 2248410, 2623145, 3147774, 3672403, 4496820, 5246290, 6295548, 7344806, 7869435, 10492580, 11017209, 14689612, 15738870, 18362015, 22034418, 31477740, 36724030, 44068836, 55086045, 73448060, 110172090, 220344180]

約数ペア:

[(1, 220344180), (2, 110172090), (3, 73448060), (4, 55086045), (5, 44068836), (6, 36724030), (7, 31477740), (10, 22034418), (12, 18362015), (14, 15738870), (15, 14689612), (20, 11017209), (21, 10492580), (28, 7869435), (30, 7344806), (35, 6295548), (42, 5246290), (49, 4496820), (60, 3672403), (70, 3147774), (84, 2623145), (98, 2248410), (105, 2098516), (140, 1573887), (147, 1498940), (149, 1478820), (196, 1124205), (210, 1049258), (245, 899364), (294, 749470), (298, 739410), (420, 524629), (447, 492940), (490, 449682), (503, 438060), (588, 374735), (596, 369705), (735, 299788), (745, 295764), (894, 246470), (980, 224841), (1006, 219030), (1043, 211260), (1470, 149894), (1490, 147882), (1509, 146020), (1788, 123235), (2012, 109515), (2086, 105630), (2235, 98588), (2515, 87612), (2940, 74947), (2980, 73941), (3018, 73010), (3129, 70420), (3521, 62580), (4172, 52815), (4470, 49294), (5030, 43806), (5215, 42252), (6036, 36505), (6258, 35210), (7042, 31290), (7301, 30180), (7545, 29204), (8940, 24647), (10060, 21903), (10430, 21126), (10563, 20860), (12516, 17605), (14084, 15645), (14602, 15090)]