123206580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:319

約数の個数: 216

約数和(自身を含む): 443799720

約数和(自身を除く): 320593140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 61, 63, 70, 84, 90, 98, 105, 122, 126, 140, 147, 180, 183, 196, 210, 229, 244, 245, 252, 294, 305, 315, 366, 420, 427, 441, 458, 490, 549, 588, 610, 630, 687, 732, 735, 854, 882, 915, 916, 980, 1098, 1145, 1220, 1260, 1281, 1374, 1470, 1603, 1708, 1764, 1830, 2061, 2135, 2196, 2205, 2290, 2562, 2745, 2748, 2940, 2989, 3206, 3435, 3660, 3843, 4122, 4270, 4410, 4580, 4809, 5124, 5490, 5978, 6405, 6412, 6870, 7686, 8015, 8244, 8540, 8820, 8967, 9618, 10305, 10980, 11221, 11956, 12810, 13740, 13969, 14427, 14945, 15372, 16030, 17934, 19215, 19236, 20610, 22442, 24045, 25620, 26901, 27938, 28854, 29890, 32060, 33663, 35868, 38430, 41220, 41907, 44835, 44884, 48090, 53802, 55876, 56105, 57708, 59780, 67326, 69845, 72135, 76860, 83814, 89670, 96180, 97783, 100989, 107604, 112210, 125721, 134505, 134652, 139690, 144270, 167628, 168315, 179340, 195566, 201978, 209535, 224420, 251442, 269010, 279380, 288540, 293349, 336630, 391132, 403956, 419070, 488915, 502884, 504945, 538020, 586698, 628605, 673260, 684481, 838140, 880047, 977830, 1009890, 1173396, 1257210, 1368962, 1466745, 1760094, 1955660, 2019780, 2053443, 2514420, 2737924, 2933490, 3422405, 3520188, 4106886, 4400235, 5866980, 6160329, 6844810, 8213772, 8800470, 10267215, 12320658, 13689620, 17600940, 20534430, 24641316, 30801645, 41068860, 61603290, 123206580]

約数ペア:

[(1, 123206580), (2, 61603290), (3, 41068860), (4, 30801645), (5, 24641316), (6, 20534430), (7, 17600940), (9, 13689620), (10, 12320658), (12, 10267215), (14, 8800470), (15, 8213772), (18, 6844810), (20, 6160329), (21, 5866980), (28, 4400235), (30, 4106886), (35, 3520188), (36, 3422405), (42, 2933490), (45, 2737924), (49, 2514420), (60, 2053443), (61, 2019780), (63, 1955660), (70, 1760094), (84, 1466745), (90, 1368962), (98, 1257210), (105, 1173396), (122, 1009890), (126, 977830), (140, 880047), (147, 838140), (180, 684481), (183, 673260), (196, 628605), (210, 586698), (229, 538020), (244, 504945), (245, 502884), (252, 488915), (294, 419070), (305, 403956), (315, 391132), (366, 336630), (420, 293349), (427, 288540), (441, 279380), (458, 269010), (490, 251442), (549, 224420), (588, 209535), (610, 201978), (630, 195566), (687, 179340), (732, 168315), (735, 167628), (854, 144270), (882, 139690), (915, 134652), (916, 134505), (980, 125721), (1098, 112210), (1145, 107604), (1220, 100989), (1260, 97783), (1281, 96180), (1374, 89670), (1470, 83814), (1603, 76860), (1708, 72135), (1764, 69845), (1830, 67326), (2061, 59780), (2135, 57708), (2196, 56105), (2205, 55876), (2290, 53802), (2562, 48090), (2745, 44884), (2748, 44835), (2940, 41907), (2989, 41220), (3206, 38430), (3435, 35868), (3660, 33663), (3843, 32060), (4122, 29890), (4270, 28854), (4410, 27938), (4580, 26901), (4809, 25620), (5124, 24045), (5490, 22442), (5978, 20610), (6405, 19236), (6412, 19215), (6870, 17934), (7686, 16030), (8015, 15372), (8244, 14945), (8540, 14427), (8820, 13969), (8967, 13740), (9618, 12810), (10305, 11956), (10980, 11221)]