247780260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2161}}^1$

素因数の和:2203

約数の個数: 216

約数和(自身を含む): 942000696

約数和(自身を除く): 694220436

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 49, 52, 60, 63, 65, 70, 78, 84, 90, 91, 98, 105, 117, 126, 130, 140, 147, 156, 180, 182, 195, 196, 210, 234, 245, 252, 260, 273, 294, 315, 364, 390, 420, 441, 455, 468, 490, 546, 585, 588, 630, 637, 735, 780, 819, 882, 910, 980, 1092, 1170, 1260, 1274, 1365, 1470, 1638, 1764, 1820, 1911, 2161, 2205, 2340, 2548, 2730, 2940, 3185, 3276, 3822, 4095, 4322, 4410, 5460, 5733, 6370, 6483, 7644, 8190, 8644, 8820, 9555, 10805, 11466, 12740, 12966, 15127, 16380, 19110, 19449, 21610, 22932, 25932, 28093, 28665, 30254, 32415, 38220, 38898, 43220, 45381, 56186, 57330, 60508, 64830, 75635, 77796, 84279, 90762, 97245, 105889, 112372, 114660, 129660, 136143, 140465, 151270, 168558, 181524, 194490, 196651, 211778, 226905, 252837, 272286, 280930, 302540, 317667, 337116, 388980, 393302, 421395, 423556, 453810, 505674, 529445, 544572, 561860, 589953, 635334, 680715, 786604, 842790, 907620, 953001, 983255, 1011348, 1058890, 1179906, 1264185, 1270668, 1361430, 1376557, 1588335, 1685580, 1769859, 1906002, 1966510, 2117780, 2359812, 2528370, 2722860, 2753114, 2949765, 3176670, 3539718, 3812004, 3933020, 4129671, 4765005, 5056740, 5506228, 5899530, 6353340, 6882785, 7079436, 8259342, 8849295, 9530010, 11799060, 12389013, 13765570, 16518684, 17698590, 19060020, 20648355, 24778026, 27531140, 35397180, 41296710, 49556052, 61945065, 82593420, 123890130, 247780260]

約数ペア:

[(1, 247780260), (2, 123890130), (3, 82593420), (4, 61945065), (5, 49556052), (6, 41296710), (7, 35397180), (9, 27531140), (10, 24778026), (12, 20648355), (13, 19060020), (14, 17698590), (15, 16518684), (18, 13765570), (20, 12389013), (21, 11799060), (26, 9530010), (28, 8849295), (30, 8259342), (35, 7079436), (36, 6882785), (39, 6353340), (42, 5899530), (45, 5506228), (49, 5056740), (52, 4765005), (60, 4129671), (63, 3933020), (65, 3812004), (70, 3539718), (78, 3176670), (84, 2949765), (90, 2753114), (91, 2722860), (98, 2528370), (105, 2359812), (117, 2117780), (126, 1966510), (130, 1906002), (140, 1769859), (147, 1685580), (156, 1588335), (180, 1376557), (182, 1361430), (195, 1270668), (196, 1264185), (210, 1179906), (234, 1058890), (245, 1011348), (252, 983255), (260, 953001), (273, 907620), (294, 842790), (315, 786604), (364, 680715), (390, 635334), (420, 589953), (441, 561860), (455, 544572), (468, 529445), (490, 505674), (546, 453810), (585, 423556), (588, 421395), (630, 393302), (637, 388980), (735, 337116), (780, 317667), (819, 302540), (882, 280930), (910, 272286), (980, 252837), (1092, 226905), (1170, 211778), (1260, 196651), (1274, 194490), (1365, 181524), (1470, 168558), (1638, 151270), (1764, 140465), (1820, 136143), (1911, 129660), (2161, 114660), (2205, 112372), (2340, 105889), (2548, 97245), (2730, 90762), (2940, 84279), (3185, 77796), (3276, 75635), (3822, 64830), (4095, 60508), (4322, 57330), (4410, 56186), (5460, 45381), (5733, 43220), (6370, 38898), (6483, 38220), (7644, 32415), (8190, 30254), (8644, 28665), (8820, 28093), (9555, 25932), (10805, 22932), (11466, 21610), (12740, 19449), (12966, 19110), (15127, 16380)]