211323720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:439

約数の個数: 128

約数和(自身を含む): 653184000

約数和(自身を除く): 441860280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 149, 159, 212, 223, 265, 298, 318, 424, 446, 447, 530, 596, 636, 669, 745, 795, 892, 894, 1060, 1115, 1192, 1272, 1338, 1490, 1590, 1784, 1788, 2120, 2230, 2235, 2676, 2980, 3180, 3345, 3576, 4460, 4470, 5352, 5960, 6360, 6690, 7897, 8920, 8940, 11819, 13380, 15794, 17880, 23638, 23691, 26760, 31588, 33227, 35457, 39485, 47276, 47382, 59095, 63176, 66454, 70914, 78970, 94552, 94764, 99681, 118190, 118455, 132908, 141828, 157940, 166135, 177285, 189528, 199362, 236380, 236910, 265816, 283656, 315880, 332270, 354570, 398724, 472760, 473820, 498405, 664540, 709140, 797448, 947640, 996810, 1329080, 1418280, 1761031, 1993620, 3522062, 3987240, 5283093, 7044124, 8805155, 10566186, 14088248, 17610310, 21132372, 26415465, 35220620, 42264744, 52830930, 70441240, 105661860, 211323720]

約数ペア:

[(1, 211323720), (2, 105661860), (3, 70441240), (4, 52830930), (5, 42264744), (6, 35220620), (8, 26415465), (10, 21132372), (12, 17610310), (15, 14088248), (20, 10566186), (24, 8805155), (30, 7044124), (40, 5283093), (53, 3987240), (60, 3522062), (106, 1993620), (120, 1761031), (149, 1418280), (159, 1329080), (212, 996810), (223, 947640), (265, 797448), (298, 709140), (318, 664540), (424, 498405), (446, 473820), (447, 472760), (530, 398724), (596, 354570), (636, 332270), (669, 315880), (745, 283656), (795, 265816), (892, 236910), (894, 236380), (1060, 199362), (1115, 189528), (1192, 177285), (1272, 166135), (1338, 157940), (1490, 141828), (1590, 132908), (1784, 118455), (1788, 118190), (2120, 99681), (2230, 94764), (2235, 94552), (2676, 78970), (2980, 70914), (3180, 66454), (3345, 63176), (3576, 59095), (4460, 47382), (4470, 47276), (5352, 39485), (5960, 35457), (6360, 33227), (6690, 31588), (7897, 26760), (8920, 23691), (8940, 23638), (11819, 17880), (13380, 15794)]