256247550

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:225

約数の個数: 240

約数和(自身を含む): 796532352

約数和(自身を除く): 540284802

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 27, 30, 31, 39, 45, 50, 54, 62, 65, 75, 78, 81, 90, 93, 117, 130, 135, 150, 155, 157, 162, 186, 195, 225, 234, 270, 279, 310, 314, 325, 351, 390, 403, 405, 450, 465, 471, 558, 585, 650, 675, 702, 775, 785, 806, 810, 837, 930, 942, 975, 1053, 1170, 1209, 1350, 1395, 1413, 1550, 1570, 1674, 1755, 1950, 2015, 2025, 2041, 2106, 2325, 2355, 2418, 2511, 2790, 2826, 2925, 3510, 3627, 3925, 4030, 4050, 4082, 4185, 4239, 4650, 4710, 4867, 5022, 5265, 5850, 6045, 6123, 6975, 7065, 7254, 7850, 8370, 8478, 8775, 9734, 10075, 10205, 10530, 10881, 11775, 12090, 12246, 12555, 12717, 13950, 14130, 14601, 17550, 18135, 18369, 20150, 20410, 20925, 21195, 21762, 23550, 24335, 25110, 25434, 26325, 29202, 30225, 30615, 32643, 35325, 36270, 36738, 41850, 42390, 43803, 48670, 51025, 52650, 54405, 55107, 60450, 61230, 62775, 63271, 63585, 65286, 70650, 73005, 87606, 90675, 91845, 102050, 105975, 108810, 110214, 121675, 125550, 126542, 127170, 131409, 146010, 153075, 163215, 165321, 181350, 183690, 189813, 211950, 219015, 243350, 262818, 272025, 275535, 306150, 316355, 317925, 326430, 330642, 365025, 379626, 394227, 438030, 459225, 544050, 551070, 569439, 632710, 635850, 657045, 730050, 788454, 816075, 826605, 918450, 949065, 1095075, 1138878, 1314090, 1377675, 1581775, 1632150, 1653210, 1708317, 1898130, 1971135, 2190150, 2755350, 2847195, 3163550, 3285225, 3416634, 3942270, 4133025, 4745325, 5124951, 5694390, 6570450, 8266050, 8541585, 9490650, 9855675, 10249902, 14235975, 17083170, 19711350, 25624755, 28471950, 42707925, 51249510, 85415850, 128123775, 256247550]

約数ペア:

[(1, 256247550), (2, 128123775), (3, 85415850), (5, 51249510), (6, 42707925), (9, 28471950), (10, 25624755), (13, 19711350), (15, 17083170), (18, 14235975), (25, 10249902), (26, 9855675), (27, 9490650), (30, 8541585), (31, 8266050), (39, 6570450), (45, 5694390), (50, 5124951), (54, 4745325), (62, 4133025), (65, 3942270), (75, 3416634), (78, 3285225), (81, 3163550), (90, 2847195), (93, 2755350), (117, 2190150), (130, 1971135), (135, 1898130), (150, 1708317), (155, 1653210), (157, 1632150), (162, 1581775), (186, 1377675), (195, 1314090), (225, 1138878), (234, 1095075), (270, 949065), (279, 918450), (310, 826605), (314, 816075), (325, 788454), (351, 730050), (390, 657045), (403, 635850), (405, 632710), (450, 569439), (465, 551070), (471, 544050), (558, 459225), (585, 438030), (650, 394227), (675, 379626), (702, 365025), (775, 330642), (785, 326430), (806, 317925), (810, 316355), (837, 306150), (930, 275535), (942, 272025), (975, 262818), (1053, 243350), (1170, 219015), (1209, 211950), (1350, 189813), (1395, 183690), (1413, 181350), (1550, 165321), (1570, 163215), (1674, 153075), (1755, 146010), (1950, 131409), (2015, 127170), (2025, 126542), (2041, 125550), (2106, 121675), (2325, 110214), (2355, 108810), (2418, 105975), (2511, 102050), (2790, 91845), (2826, 90675), (2925, 87606), (3510, 73005), (3627, 70650), (3925, 65286), (4030, 63585), (4050, 63271), (4082, 62775), (4185, 61230), (4239, 60450), (4650, 55107), (4710, 54405), (4867, 52650), (5022, 51025), (5265, 48670), (5850, 43803), (6045, 42390), (6123, 41850), (6975, 36738), (7065, 36270), (7254, 35325), (7850, 32643), (8370, 30615), (8478, 30225), (8775, 29202), (9734, 26325), (10075, 25434), (10205, 25110), (10530, 24335), (10881, 23550), (11775, 21762), (12090, 21195), (12246, 20925), (12555, 20410), (12717, 20150), (13950, 18369), (14130, 18135), (14601, 17550)]