261295320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15227}}^1$

素因数の和:15265

約数の個数: 128

約数和(自身を含む): 920989440

約数和(自身を除く): 659694120

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, 15227, 17160, 30454, 45681, 60908, 76135, 91362, 121816, 152270, 167497, 182724, 197951, 228405, 304540, 334994, 365448, 395902, 456810, 502491, 593853, 609080, 669988, 791804, 837485, 913620, 989755, 1004982, 1187706, 1339976, 1583608, 1674970, 1827240, 1979510, 2009964, 2177461, 2375412, 2512455, 2969265, 3349940, 3959020, 4019928, 4354922, 4750824, 5024910, 5938530, 6532383, 6699880, 7918040, 8709844, 10049820, 10887305, 11877060, 13064766, 17419688, 20099640, 21774610, 23754120, 26129532, 32661915, 43549220, 52259064, 65323830, 87098440, 130647660, 261295320]

約数ペア:

[(1, 261295320), (2, 130647660), (3, 87098440), (4, 65323830), (5, 52259064), (6, 43549220), (8, 32661915), (10, 26129532), (11, 23754120), (12, 21774610), (13, 20099640), (15, 17419688), (20, 13064766), (22, 11877060), (24, 10887305), (26, 10049820), (30, 8709844), (33, 7918040), (39, 6699880), (40, 6532383), (44, 5938530), (52, 5024910), (55, 4750824), (60, 4354922), (65, 4019928), (66, 3959020), (78, 3349940), (88, 2969265), (104, 2512455), (110, 2375412), (120, 2177461), (130, 2009964), (132, 1979510), (143, 1827240), (156, 1674970), (165, 1583608), (195, 1339976), (220, 1187706), (260, 1004982), (264, 989755), (286, 913620), (312, 837485), (330, 791804), (390, 669988), (429, 609080), (440, 593853), (520, 502491), (572, 456810), (660, 395902), (715, 365448), (780, 334994), (858, 304540), (1144, 228405), (1320, 197951), (1430, 182724), (1560, 167497), (1716, 152270), (2145, 121816), (2860, 91362), (3432, 76135), (4290, 60908), (5720, 45681), (8580, 30454), (15227, 17160)]