315986720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:551

約数の個数: 192

約数和(自身を含む): 928972800

約数和(自身を除く): 612986080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 32, 35, 38, 40, 56, 62, 70, 76, 80, 95, 112, 124, 133, 140, 152, 155, 160, 190, 217, 224, 248, 266, 280, 304, 310, 380, 434, 479, 496, 532, 560, 589, 608, 620, 665, 760, 868, 958, 992, 1064, 1085, 1120, 1178, 1240, 1330, 1520, 1736, 1916, 2128, 2170, 2356, 2395, 2480, 2660, 2945, 3040, 3353, 3472, 3832, 4123, 4256, 4340, 4712, 4790, 4960, 5320, 5890, 6706, 6944, 7664, 8246, 8680, 9101, 9424, 9580, 10640, 11780, 13412, 14849, 15328, 16492, 16765, 17360, 18202, 18848, 19160, 20615, 21280, 23560, 26824, 29698, 32984, 33530, 34720, 36404, 38320, 41230, 45505, 47120, 53648, 59396, 63707, 65968, 67060, 72808, 74245, 76640, 82460, 91010, 94240, 103943, 107296, 118792, 127414, 131936, 134120, 145616, 148490, 164920, 182020, 207886, 237584, 254828, 268240, 282131, 291232, 296980, 318535, 329840, 364040, 415772, 475168, 509656, 519715, 536480, 564262, 593960, 637070, 659680, 728080, 831544, 1019312, 1039430, 1128524, 1187920, 1274140, 1410655, 1456160, 1663088, 1974917, 2038624, 2078860, 2257048, 2375840, 2548280, 2821310, 3326176, 3949834, 4157720, 4514096, 5096560, 5642620, 7899668, 8315440, 9028192, 9874585, 10193120, 11285240, 15799336, 16630880, 19749170, 22570480, 31598672, 39498340, 45140960, 63197344, 78996680, 157993360, 315986720]

約数ペア:

[(1, 315986720), (2, 157993360), (4, 78996680), (5, 63197344), (7, 45140960), (8, 39498340), (10, 31598672), (14, 22570480), (16, 19749170), (19, 16630880), (20, 15799336), (28, 11285240), (31, 10193120), (32, 9874585), (35, 9028192), (38, 8315440), (40, 7899668), (56, 5642620), (62, 5096560), (70, 4514096), (76, 4157720), (80, 3949834), (95, 3326176), (112, 2821310), (124, 2548280), (133, 2375840), (140, 2257048), (152, 2078860), (155, 2038624), (160, 1974917), (190, 1663088), (217, 1456160), (224, 1410655), (248, 1274140), (266, 1187920), (280, 1128524), (304, 1039430), (310, 1019312), (380, 831544), (434, 728080), (479, 659680), (496, 637070), (532, 593960), (560, 564262), (589, 536480), (608, 519715), (620, 509656), (665, 475168), (760, 415772), (868, 364040), (958, 329840), (992, 318535), (1064, 296980), (1085, 291232), (1120, 282131), (1178, 268240), (1240, 254828), (1330, 237584), (1520, 207886), (1736, 182020), (1916, 164920), (2128, 148490), (2170, 145616), (2356, 134120), (2395, 131936), (2480, 127414), (2660, 118792), (2945, 107296), (3040, 103943), (3353, 94240), (3472, 91010), (3832, 82460), (4123, 76640), (4256, 74245), (4340, 72808), (4712, 67060), (4790, 65968), (4960, 63707), (5320, 59396), (5890, 53648), (6706, 47120), (6944, 45505), (7664, 41230), (8246, 38320), (8680, 36404), (9101, 34720), (9424, 33530), (9580, 32984), (10640, 29698), (11780, 26824), (13412, 23560), (14849, 21280), (15328, 20615), (16492, 19160), (16765, 18848), (17360, 18202)]