215698980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:303

約数の個数: 192

約数和(自身を含む): 722534400

約数和(自身を除く): 506835420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 49, 60, 70, 84, 94, 98, 105, 140, 141, 147, 188, 196, 210, 223, 235, 245, 282, 294, 329, 343, 420, 446, 470, 490, 564, 588, 658, 669, 686, 705, 735, 892, 940, 980, 987, 1029, 1115, 1316, 1338, 1372, 1410, 1470, 1561, 1645, 1715, 1974, 2058, 2230, 2303, 2676, 2820, 2940, 3122, 3290, 3345, 3430, 3948, 4116, 4460, 4606, 4683, 4935, 5145, 6244, 6580, 6690, 6860, 6909, 7805, 9212, 9366, 9870, 10290, 10481, 10927, 11515, 13380, 13818, 15610, 16121, 18732, 19740, 20580, 20962, 21854, 23030, 23415, 27636, 31220, 31443, 32242, 32781, 34545, 41924, 43708, 46060, 46830, 48363, 52405, 54635, 62886, 64484, 65562, 69090, 73367, 76489, 80605, 93660, 96726, 104810, 109270, 125772, 131124, 138180, 146734, 152978, 157215, 161210, 163905, 193452, 209620, 218540, 220101, 229467, 241815, 293468, 305956, 314430, 322420, 327810, 366835, 382445, 440202, 458934, 483630, 513569, 628860, 655620, 733670, 764890, 880404, 917868, 967260, 1027138, 1100505, 1147335, 1467340, 1529780, 1540707, 2054276, 2201010, 2294670, 2567845, 3081414, 3594983, 4402020, 4589340, 5135690, 6162828, 7189966, 7703535, 10271380, 10784949, 14379932, 15407070, 17974915, 21569898, 30814140, 35949830, 43139796, 53924745, 71899660, 107849490, 215698980]

約数ペア:

[(1, 215698980), (2, 107849490), (3, 71899660), (4, 53924745), (5, 43139796), (6, 35949830), (7, 30814140), (10, 21569898), (12, 17974915), (14, 15407070), (15, 14379932), (20, 10784949), (21, 10271380), (28, 7703535), (30, 7189966), (35, 6162828), (42, 5135690), (47, 4589340), (49, 4402020), (60, 3594983), (70, 3081414), (84, 2567845), (94, 2294670), (98, 2201010), (105, 2054276), (140, 1540707), (141, 1529780), (147, 1467340), (188, 1147335), (196, 1100505), (210, 1027138), (223, 967260), (235, 917868), (245, 880404), (282, 764890), (294, 733670), (329, 655620), (343, 628860), (420, 513569), (446, 483630), (470, 458934), (490, 440202), (564, 382445), (588, 366835), (658, 327810), (669, 322420), (686, 314430), (705, 305956), (735, 293468), (892, 241815), (940, 229467), (980, 220101), (987, 218540), (1029, 209620), (1115, 193452), (1316, 163905), (1338, 161210), (1372, 157215), (1410, 152978), (1470, 146734), (1561, 138180), (1645, 131124), (1715, 125772), (1974, 109270), (2058, 104810), (2230, 96726), (2303, 93660), (2676, 80605), (2820, 76489), (2940, 73367), (3122, 69090), (3290, 65562), (3345, 64484), (3430, 62886), (3948, 54635), (4116, 52405), (4460, 48363), (4606, 46830), (4683, 46060), (4935, 43708), (5145, 41924), (6244, 34545), (6580, 32781), (6690, 32242), (6860, 31443), (6909, 31220), (7805, 27636), (9212, 23415), (9366, 23030), (9870, 21854), (10290, 20962), (10481, 20580), (10927, 19740), (11515, 18732), (13380, 16121), (13818, 15610)]