21176344280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{2801}}^1$

素因数の和:2930

約数の個数: 256

約数和(自身を含む): 61459292160

約数和(自身を除く): 40282947880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 67, 70, 91, 104, 124, 130, 134, 140, 155, 182, 217, 248, 260, 268, 280, 310, 335, 364, 403, 434, 455, 469, 520, 536, 620, 670, 728, 806, 868, 871, 910, 938, 1085, 1240, 1340, 1612, 1736, 1742, 1820, 1876, 2015, 2077, 2170, 2345, 2680, 2801, 2821, 3224, 3484, 3640, 3752, 4030, 4154, 4340, 4355, 4690, 5602, 5642, 6097, 6968, 8060, 8308, 8680, 8710, 9380, 10385, 11204, 11284, 12194, 14005, 14105, 14539, 16120, 16616, 17420, 18760, 19607, 20770, 22408, 22568, 24388, 27001, 28010, 28210, 29078, 30485, 34840, 36413, 39214, 41540, 48776, 54002, 56020, 56420, 58156, 60970, 72695, 72826, 78428, 83080, 86831, 98035, 108004, 112040, 112840, 116312, 121940, 135005, 145390, 145652, 156856, 173662, 182065, 187667, 189007, 196070, 216008, 243880, 254891, 270010, 290780, 291304, 347324, 364130, 375334, 378014, 392140, 434155, 509782, 540020, 581560, 607817, 694648, 728260, 750668, 756028, 784280, 868310, 938335, 945035, 1019564, 1080040, 1128803, 1215634, 1274455, 1313669, 1456520, 1501336, 1512056, 1736620, 1876670, 1890070, 2039128, 2257606, 2431268, 2439671, 2548910, 2627338, 3039085, 3473240, 3753340, 3780140, 4515212, 4862536, 4879342, 5097820, 5254676, 5644015, 5817677, 6078170, 6568345, 7506680, 7560280, 7901621, 9030424, 9758684, 10195640, 10509352, 11288030, 11635354, 12156340, 12198355, 13136690, 15803242, 17077697, 19517368, 22576060, 23270708, 24312680, 24396710, 26273380, 29088385, 31606484, 34155394, 39508105, 40723739, 45152120, 46541416, 48793420, 52546760, 58176770, 63212968, 68310788, 75629801, 79016210, 81447478, 85388485, 97586840, 116353540, 136621576, 151259602, 158032420, 162894956, 170776970, 203618695, 232707080, 302519204, 316064840, 325789912, 341553940, 378149005, 407237390, 529408607, 605038408, 683107880, 756298010, 814474780, 1058817214, 1512596020, 1628949560, 2117634428, 2647043035, 3025192040, 4235268856, 5294086070, 10588172140, 21176344280]

約数ペア:

[(1, 21176344280), (2, 10588172140), (4, 5294086070), (5, 4235268856), (7, 3025192040), (8, 2647043035), (10, 2117634428), (13, 1628949560), (14, 1512596020), (20, 1058817214), (26, 814474780), (28, 756298010), (31, 683107880), (35, 605038408), (40, 529408607), (52, 407237390), (56, 378149005), (62, 341553940), (65, 325789912), (67, 316064840), (70, 302519204), (91, 232707080), (104, 203618695), (124, 170776970), (130, 162894956), (134, 158032420), (140, 151259602), (155, 136621576), (182, 116353540), (217, 97586840), (248, 85388485), (260, 81447478), (268, 79016210), (280, 75629801), (310, 68310788), (335, 63212968), (364, 58176770), (403, 52546760), (434, 48793420), (455, 46541416), (469, 45152120), (520, 40723739), (536, 39508105), (620, 34155394), (670, 31606484), (728, 29088385), (806, 26273380), (868, 24396710), (871, 24312680), (910, 23270708), (938, 22576060), (1085, 19517368), (1240, 17077697), (1340, 15803242), (1612, 13136690), (1736, 12198355), (1742, 12156340), (1820, 11635354), (1876, 11288030), (2015, 10509352), (2077, 10195640), (2170, 9758684), (2345, 9030424), (2680, 7901621), (2801, 7560280), (2821, 7506680), (3224, 6568345), (3484, 6078170), (3640, 5817677), (3752, 5644015), (4030, 5254676), (4154, 5097820), (4340, 4879342), (4355, 4862536), (4690, 4515212), (5602, 3780140), (5642, 3753340), (6097, 3473240), (6968, 3039085), (8060, 2627338), (8308, 2548910), (8680, 2439671), (8710, 2431268), (9380, 2257606), (10385, 2039128), (11204, 1890070), (11284, 1876670), (12194, 1736620), (14005, 1512056), (14105, 1501336), (14539, 1456520), (16120, 1313669), (16616, 1274455), (17420, 1215634), (18760, 1128803), (19607, 1080040), (20770, 1019564), (22408, 945035), (22568, 938335), (24388, 868310), (27001, 784280), (28010, 756028), (28210, 750668), (29078, 728260), (30485, 694648), (34840, 607817), (36413, 581560), (39214, 540020), (41540, 509782), (48776, 434155), (54002, 392140), (56020, 378014), (56420, 375334), (58156, 364130), (60970, 347324), (72695, 291304), (72826, 290780), (78428, 270010), (83080, 254891), (86831, 243880), (98035, 216008), (108004, 196070), (112040, 189007), (112840, 187667), (116312, 182065), (121940, 173662), (135005, 156856), (145390, 145652)]