208930920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1907}}^1$

素因数の和:2015

約数の個数: 128

約数和(自身を含む): 692375040

約数和(自身を除く): 483444120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 83, 88, 110, 120, 132, 165, 166, 220, 249, 264, 330, 332, 415, 440, 498, 660, 664, 830, 913, 996, 1245, 1320, 1660, 1826, 1907, 1992, 2490, 2739, 3320, 3652, 3814, 4565, 4980, 5478, 5721, 7304, 7628, 9130, 9535, 9960, 10956, 11442, 13695, 15256, 18260, 19070, 20977, 21912, 22884, 27390, 28605, 36520, 38140, 41954, 45768, 54780, 57210, 62931, 76280, 83908, 104885, 109560, 114420, 125862, 158281, 167816, 209770, 228840, 251724, 314655, 316562, 419540, 474843, 503448, 629310, 633124, 791405, 839080, 949686, 1258620, 1266248, 1582810, 1741091, 1899372, 2374215, 2517240, 3165620, 3482182, 3798744, 4748430, 5223273, 6331240, 6964364, 8705455, 9496860, 10446546, 13928728, 17410910, 18993720, 20893092, 26116365, 34821820, 41786184, 52232730, 69643640, 104465460, 208930920]

約数ペア:

[(1, 208930920), (2, 104465460), (3, 69643640), (4, 52232730), (5, 41786184), (6, 34821820), (8, 26116365), (10, 20893092), (11, 18993720), (12, 17410910), (15, 13928728), (20, 10446546), (22, 9496860), (24, 8705455), (30, 6964364), (33, 6331240), (40, 5223273), (44, 4748430), (55, 3798744), (60, 3482182), (66, 3165620), (83, 2517240), (88, 2374215), (110, 1899372), (120, 1741091), (132, 1582810), (165, 1266248), (166, 1258620), (220, 949686), (249, 839080), (264, 791405), (330, 633124), (332, 629310), (415, 503448), (440, 474843), (498, 419540), (660, 316562), (664, 314655), (830, 251724), (913, 228840), (996, 209770), (1245, 167816), (1320, 158281), (1660, 125862), (1826, 114420), (1907, 109560), (1992, 104885), (2490, 83908), (2739, 76280), (3320, 62931), (3652, 57210), (3814, 54780), (4565, 45768), (4980, 41954), (5478, 38140), (5721, 36520), (7304, 28605), (7628, 27390), (9130, 22884), (9535, 21912), (9960, 20977), (10956, 19070), (11442, 18260), (13695, 15256)]