77790180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:254

約数の個数: 192

約数和(自身を含む): 256838400

約数和(自身を除く): 179048220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 29, 30, 38, 39, 52, 57, 58, 60, 65, 76, 78, 87, 95, 114, 116, 130, 145, 156, 174, 181, 190, 195, 228, 247, 260, 285, 290, 348, 362, 377, 380, 390, 435, 494, 543, 551, 570, 580, 724, 741, 754, 780, 870, 905, 988, 1086, 1102, 1131, 1140, 1235, 1482, 1508, 1653, 1740, 1810, 1885, 2172, 2204, 2262, 2353, 2470, 2715, 2755, 2964, 3306, 3439, 3620, 3705, 3770, 4524, 4706, 4940, 5249, 5430, 5510, 5655, 6612, 6878, 7059, 7163, 7410, 7540, 8265, 9412, 10317, 10498, 10860, 11020, 11310, 11765, 13756, 14118, 14326, 14820, 15747, 16530, 17195, 20634, 20996, 21489, 22620, 23530, 26245, 28236, 28652, 31494, 33060, 34390, 35295, 35815, 41268, 42978, 44707, 47060, 51585, 52490, 62988, 68237, 68780, 70590, 71630, 78735, 85956, 89414, 99731, 103170, 104980, 107445, 134121, 136474, 141180, 143260, 157470, 178828, 199462, 204711, 206340, 214890, 223535, 268242, 272948, 299193, 314940, 341185, 398924, 409422, 429780, 447070, 498655, 536484, 598386, 670605, 682370, 818844, 894140, 997310, 1023555, 1196772, 1296503, 1341210, 1364740, 1495965, 1994620, 2047110, 2593006, 2682420, 2991930, 3889509, 4094220, 5186012, 5983860, 6482515, 7779018, 12965030, 15558036, 19447545, 25930060, 38895090, 77790180]

約数ペア:

[(1, 77790180), (2, 38895090), (3, 25930060), (4, 19447545), (5, 15558036), (6, 12965030), (10, 7779018), (12, 6482515), (13, 5983860), (15, 5186012), (19, 4094220), (20, 3889509), (26, 2991930), (29, 2682420), (30, 2593006), (38, 2047110), (39, 1994620), (52, 1495965), (57, 1364740), (58, 1341210), (60, 1296503), (65, 1196772), (76, 1023555), (78, 997310), (87, 894140), (95, 818844), (114, 682370), (116, 670605), (130, 598386), (145, 536484), (156, 498655), (174, 447070), (181, 429780), (190, 409422), (195, 398924), (228, 341185), (247, 314940), (260, 299193), (285, 272948), (290, 268242), (348, 223535), (362, 214890), (377, 206340), (380, 204711), (390, 199462), (435, 178828), (494, 157470), (543, 143260), (551, 141180), (570, 136474), (580, 134121), (724, 107445), (741, 104980), (754, 103170), (780, 99731), (870, 89414), (905, 85956), (988, 78735), (1086, 71630), (1102, 70590), (1131, 68780), (1140, 68237), (1235, 62988), (1482, 52490), (1508, 51585), (1653, 47060), (1740, 44707), (1810, 42978), (1885, 41268), (2172, 35815), (2204, 35295), (2262, 34390), (2353, 33060), (2470, 31494), (2715, 28652), (2755, 28236), (2964, 26245), (3306, 23530), (3439, 22620), (3620, 21489), (3705, 20996), (3770, 20634), (4524, 17195), (4706, 16530), (4940, 15747), (5249, 14820), (5430, 14326), (5510, 14118), (5655, 13756), (6612, 11765), (6878, 11310), (7059, 11020), (7163, 10860), (7410, 10498), (7540, 10317), (8265, 9412)]