21360240

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:93

約数の個数: 320

約数和(自身を含む): 85708800

約数和(自身を除く): 64348560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 29, 30, 31, 33, 36, 40, 44, 45, 48, 54, 55, 58, 60, 62, 66, 72, 80, 87, 88, 90, 93, 99, 108, 110, 116, 120, 124, 132, 135, 144, 145, 155, 165, 174, 176, 180, 186, 198, 216, 220, 232, 240, 248, 261, 264, 270, 279, 290, 297, 310, 319, 330, 341, 348, 360, 372, 396, 432, 435, 440, 464, 465, 495, 496, 522, 528, 540, 558, 580, 594, 620, 638, 660, 682, 696, 720, 744, 783, 792, 837, 870, 880, 899, 930, 957, 990, 1023, 1044, 1080, 1116, 1160, 1188, 1240, 1276, 1305, 1320, 1364, 1392, 1395, 1485, 1488, 1566, 1584, 1595, 1674, 1705, 1740, 1798, 1860, 1914, 1980, 2046, 2088, 2160, 2232, 2320, 2376, 2480, 2552, 2610, 2640, 2697, 2728, 2790, 2871, 2970, 3069, 3132, 3190, 3348, 3410, 3480, 3596, 3720, 3828, 3915, 3960, 4092, 4176, 4185, 4464, 4495, 4752, 4785, 5104, 5115, 5220, 5394, 5456, 5580, 5742, 5940, 6138, 6264, 6380, 6696, 6820, 6960, 7192, 7440, 7656, 7830, 7920, 8091, 8184, 8370, 8613, 8990, 9207, 9570, 9889, 10230, 10440, 10788, 11160, 11484, 11880, 12276, 12528, 12760, 13392, 13485, 13640, 14355, 14384, 15312, 15345, 15660, 16182, 16368, 16740, 17226, 17980, 18414, 19140, 19778, 20460, 20880, 21576, 22320, 22968, 23760, 24273, 24552, 25520, 26970, 27280, 28710, 29667, 30690, 31320, 32364, 33480, 34452, 35960, 36828, 38280, 39556, 40455, 40920, 43065, 43152, 45936, 46035, 48546, 49104, 49445, 53940, 57420, 59334, 61380, 62640, 64728, 66960, 68904, 71920, 73656, 76560, 79112, 80910, 81840, 86130, 89001, 92070, 97092, 98890, 107880, 114840, 118668, 121365, 122760, 129456, 137808, 147312, 148335, 158224, 161820, 172260, 178002, 184140, 194184, 197780, 215760, 229680, 237336, 242730, 245520, 267003, 296670, 323640, 344520, 356004, 368280, 388368, 395560, 445005, 474672, 485460, 534006, 593340, 647280, 689040, 712008, 736560, 791120, 890010, 970920, 1068012, 1186680, 1335015, 1424016, 1780020, 1941840, 2136024, 2373360, 2670030, 3560040, 4272048, 5340060, 7120080, 10680120, 21360240]

約数ペア:

[(1, 21360240), (2, 10680120), (3, 7120080), (4, 5340060), (5, 4272048), (6, 3560040), (8, 2670030), (9, 2373360), (10, 2136024), (11, 1941840), (12, 1780020), (15, 1424016), (16, 1335015), (18, 1186680), (20, 1068012), (22, 970920), (24, 890010), (27, 791120), (29, 736560), (30, 712008), (31, 689040), (33, 647280), (36, 593340), (40, 534006), (44, 485460), (45, 474672), (48, 445005), (54, 395560), (55, 388368), (58, 368280), (60, 356004), (62, 344520), (66, 323640), (72, 296670), (80, 267003), (87, 245520), (88, 242730), (90, 237336), (93, 229680), (99, 215760), (108, 197780), (110, 194184), (116, 184140), (120, 178002), (124, 172260), (132, 161820), (135, 158224), (144, 148335), (145, 147312), (155, 137808), (165, 129456), (174, 122760), (176, 121365), (180, 118668), (186, 114840), (198, 107880), (216, 98890), (220, 97092), (232, 92070), (240, 89001), (248, 86130), (261, 81840), (264, 80910), (270, 79112), (279, 76560), (290, 73656), (297, 71920), (310, 68904), (319, 66960), (330, 64728), (341, 62640), (348, 61380), (360, 59334), (372, 57420), (396, 53940), (432, 49445), (435, 49104), (440, 48546), (464, 46035), (465, 45936), (495, 43152), (496, 43065), (522, 40920), (528, 40455), (540, 39556), (558, 38280), (580, 36828), (594, 35960), (620, 34452), (638, 33480), (660, 32364), (682, 31320), (696, 30690), (720, 29667), (744, 28710), (783, 27280), (792, 26970), (837, 25520), (870, 24552), (880, 24273), (899, 23760), (930, 22968), (957, 22320), (990, 21576), (1023, 20880), (1044, 20460), (1080, 19778), (1116, 19140), (1160, 18414), (1188, 17980), (1240, 17226), (1276, 16740), (1305, 16368), (1320, 16182), (1364, 15660), (1392, 15345), (1395, 15312), (1485, 14384), (1488, 14355), (1566, 13640), (1584, 13485), (1595, 13392), (1674, 12760), (1705, 12528), (1740, 12276), (1798, 11880), (1860, 11484), (1914, 11160), (1980, 10788), (2046, 10440), (2088, 10230), (2160, 9889), (2232, 9570), (2320, 9207), (2376, 8990), (2480, 8613), (2552, 8370), (2610, 8184), (2640, 8091), (2697, 7920), (2728, 7830), (2790, 7656), (2871, 7440), (2970, 7192), (3069, 6960), (3132, 6820), (3190, 6696), (3348, 6380), (3410, 6264), (3480, 6138), (3596, 5940), (3720, 5742), (3828, 5580), (3915, 5456), (3960, 5394), (4092, 5220), (4176, 5115), (4185, 5104), (4464, 4785), (4495, 4752)]