79282980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:219

約数の個数: 216

約数和(自身を含む): 285699960

約数和(自身を除く): 206416980

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, 63, 70, 84, 89, 90, 98, 101, 105, 126, 140, 147, 178, 180, 196, 202, 210, 245, 252, 267, 294, 303, 315, 356, 404, 420, 441, 445, 490, 505, 534, 588, 606, 623, 630, 707, 735, 801, 882, 890, 909, 980, 1010, 1068, 1212, 1246, 1260, 1335, 1414, 1470, 1515, 1602, 1764, 1780, 1818, 1869, 2020, 2121, 2205, 2492, 2670, 2828, 2940, 3030, 3115, 3204, 3535, 3636, 3738, 4005, 4242, 4361, 4410, 4545, 4949, 5340, 5607, 6060, 6230, 6363, 7070, 7476, 8010, 8484, 8722, 8820, 8989, 9090, 9345, 9898, 10605, 11214, 12460, 12726, 13083, 14140, 14847, 16020, 17444, 17978, 18180, 18690, 19796, 21210, 21805, 22428, 24745, 25452, 26166, 26967, 28035, 29694, 31815, 35956, 37380, 39249, 42420, 43610, 44541, 44945, 49490, 52332, 53934, 56070, 59388, 62923, 63630, 65415, 74235, 78498, 80901, 87220, 89082, 89890, 98980, 107868, 112140, 125846, 127260, 130830, 134835, 148470, 156996, 161802, 178164, 179780, 188769, 196245, 222705, 251692, 261660, 269670, 296940, 314615, 323604, 377538, 392490, 404505, 440461, 445410, 539340, 566307, 629230, 755076, 784980, 809010, 880922, 890820, 943845, 1132614, 1258460, 1321383, 1618020, 1761844, 1887690, 2202305, 2265228, 2642766, 2831535, 3775380, 3964149, 4404610, 5285532, 5663070, 6606915, 7928298, 8809220, 11326140, 13213830, 15856596, 19820745, 26427660, 39641490, 79282980]

約数ペア:

[(1, 79282980), (2, 39641490), (3, 26427660), (4, 19820745), (5, 15856596), (6, 13213830), (7, 11326140), (9, 8809220), (10, 7928298), (12, 6606915), (14, 5663070), (15, 5285532), (18, 4404610), (20, 3964149), (21, 3775380), (28, 2831535), (30, 2642766), (35, 2265228), (36, 2202305), (42, 1887690), (45, 1761844), (49, 1618020), (60, 1321383), (63, 1258460), (70, 1132614), (84, 943845), (89, 890820), (90, 880922), (98, 809010), (101, 784980), (105, 755076), (126, 629230), (140, 566307), (147, 539340), (178, 445410), (180, 440461), (196, 404505), (202, 392490), (210, 377538), (245, 323604), (252, 314615), (267, 296940), (294, 269670), (303, 261660), (315, 251692), (356, 222705), (404, 196245), (420, 188769), (441, 179780), (445, 178164), (490, 161802), (505, 156996), (534, 148470), (588, 134835), (606, 130830), (623, 127260), (630, 125846), (707, 112140), (735, 107868), (801, 98980), (882, 89890), (890, 89082), (909, 87220), (980, 80901), (1010, 78498), (1068, 74235), (1212, 65415), (1246, 63630), (1260, 62923), (1335, 59388), (1414, 56070), (1470, 53934), (1515, 52332), (1602, 49490), (1764, 44945), (1780, 44541), (1818, 43610), (1869, 42420), (2020, 39249), (2121, 37380), (2205, 35956), (2492, 31815), (2670, 29694), (2828, 28035), (2940, 26967), (3030, 26166), (3115, 25452), (3204, 24745), (3535, 22428), (3636, 21805), (3738, 21210), (4005, 19796), (4242, 18690), (4361, 18180), (4410, 17978), (4545, 17444), (4949, 16020), (5340, 14847), (5607, 14140), (6060, 13083), (6230, 12726), (6363, 12460), (7070, 11214), (7476, 10605), (8010, 9898), (8484, 9345), (8722, 9090), (8820, 8989)]