720747520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:314

約数の個数: 176

約数和(自身を含む): 1886515200

約数和(自身を除く): 1165767680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 239, 248, 256, 304, 310, 320, 380, 478, 496, 512, 589, 608, 620, 640, 760, 956, 992, 1024, 1178, 1195, 1216, 1240, 1280, 1520, 1912, 1984, 2356, 2390, 2432, 2480, 2560, 2945, 3040, 3824, 3968, 4541, 4712, 4780, 4864, 4960, 5120, 5890, 6080, 7409, 7648, 7936, 9082, 9424, 9560, 9728, 9920, 11780, 12160, 14818, 15296, 15872, 18164, 18848, 19120, 19456, 19840, 22705, 23560, 24320, 29636, 30592, 31744, 36328, 37045, 37696, 38240, 39680, 45410, 47120, 48640, 59272, 61184, 72656, 74090, 75392, 76480, 79360, 90820, 94240, 97280, 118544, 122368, 140771, 145312, 148180, 150784, 152960, 158720, 181640, 188480, 237088, 244736, 281542, 290624, 296360, 301568, 305920, 363280, 376960, 474176, 563084, 581248, 592720, 603136, 611840, 703855, 726560, 753920, 948352, 1126168, 1162496, 1185440, 1223680, 1407710, 1453120, 1507840, 1896704, 2252336, 2324992, 2370880, 2815420, 2906240, 3015680, 3793408, 4504672, 4649984, 4741760, 5630840, 5812480, 7586816, 9009344, 9483520, 11261680, 11624960, 18018688, 18967040, 22523360, 23249920, 36037376, 37934080, 45046720, 72074752, 90093440, 144149504, 180186880, 360373760, 720747520]

約数ペア:

[(1, 720747520), (2, 360373760), (4, 180186880), (5, 144149504), (8, 90093440), (10, 72074752), (16, 45046720), (19, 37934080), (20, 36037376), (31, 23249920), (32, 22523360), (38, 18967040), (40, 18018688), (62, 11624960), (64, 11261680), (76, 9483520), (80, 9009344), (95, 7586816), (124, 5812480), (128, 5630840), (152, 4741760), (155, 4649984), (160, 4504672), (190, 3793408), (239, 3015680), (248, 2906240), (256, 2815420), (304, 2370880), (310, 2324992), (320, 2252336), (380, 1896704), (478, 1507840), (496, 1453120), (512, 1407710), (589, 1223680), (608, 1185440), (620, 1162496), (640, 1126168), (760, 948352), (956, 753920), (992, 726560), (1024, 703855), (1178, 611840), (1195, 603136), (1216, 592720), (1240, 581248), (1280, 563084), (1520, 474176), (1912, 376960), (1984, 363280), (2356, 305920), (2390, 301568), (2432, 296360), (2480, 290624), (2560, 281542), (2945, 244736), (3040, 237088), (3824, 188480), (3968, 181640), (4541, 158720), (4712, 152960), (4780, 150784), (4864, 148180), (4960, 145312), (5120, 140771), (5890, 122368), (6080, 118544), (7409, 97280), (7648, 94240), (7936, 90820), (9082, 79360), (9424, 76480), (9560, 75392), (9728, 74090), (9920, 72656), (11780, 61184), (12160, 59272), (14818, 48640), (15296, 47120), (15872, 45410), (18164, 39680), (18848, 38240), (19120, 37696), (19456, 37045), (19840, 36328), (22705, 31744), (23560, 30592), (24320, 29636)]