221243880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12893}}^1$

素因数の和:12931

約数の個数: 128

約数和(自身を含む): 779829120

約数和(自身を除く): 558585240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 2145, 2860, 3432, 4290, 5720, 8580, 12893, 17160, 25786, 38679, 51572, 64465, 77358, 103144, 128930, 141823, 154716, 167609, 193395, 257860, 283646, 309432, 335218, 386790, 425469, 502827, 515720, 567292, 670436, 709115, 773580, 838045, 850938, 1005654, 1134584, 1340872, 1418230, 1547160, 1676090, 1701876, 1843699, 2011308, 2127345, 2514135, 2836460, 3352180, 3403752, 3687398, 4022616, 4254690, 5028270, 5531097, 5672920, 6704360, 7374796, 8509380, 9218495, 10056540, 11062194, 14749592, 17018760, 18436990, 20113080, 22124388, 27655485, 36873980, 44248776, 55310970, 73747960, 110621940, 221243880]

約数ペア:

[(1, 221243880), (2, 110621940), (3, 73747960), (4, 55310970), (5, 44248776), (6, 36873980), (8, 27655485), (10, 22124388), (11, 20113080), (12, 18436990), (13, 17018760), (15, 14749592), (20, 11062194), (22, 10056540), (24, 9218495), (26, 8509380), (30, 7374796), (33, 6704360), (39, 5672920), (40, 5531097), (44, 5028270), (52, 4254690), (55, 4022616), (60, 3687398), (65, 3403752), (66, 3352180), (78, 2836460), (88, 2514135), (104, 2127345), (110, 2011308), (120, 1843699), (130, 1701876), (132, 1676090), (143, 1547160), (156, 1418230), (165, 1340872), (195, 1134584), (220, 1005654), (260, 850938), (264, 838045), (286, 773580), (312, 709115), (330, 670436), (390, 567292), (429, 515720), (440, 502827), (520, 425469), (572, 386790), (660, 335218), (715, 309432), (780, 283646), (858, 257860), (1144, 193395), (1320, 167609), (1430, 154716), (1560, 141823), (1716, 128930), (2145, 103144), (2860, 77358), (3432, 64465), (4290, 51572), (5720, 38679), (8580, 25786), (12893, 17160)]