21144480

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:92

約数の個数: 288

約数和(自身を含む): 82736640

約数和(自身を除く): 61592160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 31, 32, 35, 40, 42, 48, 49, 56, 58, 60, 62, 70, 80, 84, 87, 93, 96, 98, 105, 112, 116, 120, 124, 140, 145, 147, 155, 160, 168, 174, 186, 196, 203, 210, 217, 224, 232, 240, 245, 248, 280, 290, 294, 310, 336, 348, 372, 392, 406, 420, 434, 435, 464, 465, 480, 490, 496, 560, 580, 588, 609, 620, 651, 672, 696, 735, 744, 784, 812, 840, 868, 870, 899, 928, 930, 980, 992, 1015, 1085, 1120, 1160, 1176, 1218, 1240, 1302, 1392, 1421, 1470, 1488, 1519, 1568, 1624, 1680, 1736, 1740, 1798, 1860, 1960, 2030, 2170, 2320, 2352, 2436, 2480, 2604, 2697, 2784, 2842, 2940, 2976, 3038, 3045, 3248, 3255, 3360, 3472, 3480, 3596, 3720, 3920, 4060, 4263, 4340, 4495, 4557, 4640, 4704, 4872, 4960, 5208, 5394, 5684, 5880, 6076, 6090, 6293, 6496, 6510, 6944, 6960, 7105, 7192, 7440, 7595, 7840, 8120, 8526, 8680, 8990, 9114, 9744, 10416, 10788, 11368, 11760, 12152, 12180, 12586, 13020, 13485, 13920, 14210, 14384, 14880, 15190, 16240, 17052, 17360, 17980, 18228, 18879, 19488, 20832, 21315, 21576, 22736, 22785, 23520, 24304, 24360, 25172, 26040, 26970, 28420, 28768, 30380, 31465, 32480, 34104, 34720, 35960, 36456, 37758, 42630, 43152, 44051, 45472, 45570, 48608, 48720, 50344, 52080, 53940, 56840, 60760, 62930, 68208, 71920, 72912, 75516, 85260, 86304, 88102, 91140, 94395, 97440, 100688, 104160, 107880, 113680, 121520, 125860, 132153, 136416, 143840, 145824, 151032, 170520, 176204, 182280, 188790, 201376, 215760, 220255, 227360, 243040, 251720, 264306, 302064, 341040, 352408, 364560, 377580, 431520, 440510, 503440, 528612, 604128, 660765, 682080, 704816, 729120, 755160, 881020, 1006880, 1057224, 1321530, 1409632, 1510320, 1762040, 2114448, 2643060, 3020640, 3524080, 4228896, 5286120, 7048160, 10572240, 21144480]

約数ペア:

[(1, 21144480), (2, 10572240), (3, 7048160), (4, 5286120), (5, 4228896), (6, 3524080), (7, 3020640), (8, 2643060), (10, 2114448), (12, 1762040), (14, 1510320), (15, 1409632), (16, 1321530), (20, 1057224), (21, 1006880), (24, 881020), (28, 755160), (29, 729120), (30, 704816), (31, 682080), (32, 660765), (35, 604128), (40, 528612), (42, 503440), (48, 440510), (49, 431520), (56, 377580), (58, 364560), (60, 352408), (62, 341040), (70, 302064), (80, 264306), (84, 251720), (87, 243040), (93, 227360), (96, 220255), (98, 215760), (105, 201376), (112, 188790), (116, 182280), (120, 176204), (124, 170520), (140, 151032), (145, 145824), (147, 143840), (155, 136416), (160, 132153), (168, 125860), (174, 121520), (186, 113680), (196, 107880), (203, 104160), (210, 100688), (217, 97440), (224, 94395), (232, 91140), (240, 88102), (245, 86304), (248, 85260), (280, 75516), (290, 72912), (294, 71920), (310, 68208), (336, 62930), (348, 60760), (372, 56840), (392, 53940), (406, 52080), (420, 50344), (434, 48720), (435, 48608), (464, 45570), (465, 45472), (480, 44051), (490, 43152), (496, 42630), (560, 37758), (580, 36456), (588, 35960), (609, 34720), (620, 34104), (651, 32480), (672, 31465), (696, 30380), (735, 28768), (744, 28420), (784, 26970), (812, 26040), (840, 25172), (868, 24360), (870, 24304), (899, 23520), (928, 22785), (930, 22736), (980, 21576), (992, 21315), (1015, 20832), (1085, 19488), (1120, 18879), (1160, 18228), (1176, 17980), (1218, 17360), (1240, 17052), (1302, 16240), (1392, 15190), (1421, 14880), (1470, 14384), (1488, 14210), (1519, 13920), (1568, 13485), (1624, 13020), (1680, 12586), (1736, 12180), (1740, 12152), (1798, 11760), (1860, 11368), (1960, 10788), (2030, 10416), (2170, 9744), (2320, 9114), (2352, 8990), (2436, 8680), (2480, 8526), (2604, 8120), (2697, 7840), (2784, 7595), (2842, 7440), (2940, 7192), (2976, 7105), (3038, 6960), (3045, 6944), (3248, 6510), (3255, 6496), (3360, 6293), (3472, 6090), (3480, 6076), (3596, 5880), (3720, 5684), (3920, 5394), (4060, 5208), (4263, 4960), (4340, 4872), (4495, 4704), (4557, 4640)]