84821940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:251

約数の個数: 216

約数和(自身を含む): 306240480

約数和(自身を除く): 221418540

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, 59, 60, 63, 70, 84, 90, 98, 105, 118, 126, 140, 147, 163, 177, 180, 196, 210, 236, 245, 252, 294, 295, 315, 326, 354, 413, 420, 441, 489, 490, 531, 588, 590, 630, 652, 708, 735, 815, 826, 882, 885, 978, 980, 1062, 1141, 1180, 1239, 1260, 1467, 1470, 1630, 1652, 1764, 1770, 1956, 2065, 2124, 2205, 2282, 2445, 2478, 2655, 2891, 2934, 2940, 3260, 3423, 3540, 3717, 4130, 4410, 4564, 4890, 4956, 5310, 5705, 5782, 5868, 6195, 6846, 7335, 7434, 7987, 8260, 8673, 8820, 9617, 9780, 10269, 10620, 11410, 11564, 12390, 13692, 14455, 14670, 14868, 15974, 17115, 17346, 18585, 19234, 20538, 22820, 23961, 24780, 26019, 28851, 28910, 29340, 31948, 34230, 34692, 37170, 38468, 39935, 41076, 43365, 47922, 48085, 51345, 52038, 57702, 57820, 67319, 68460, 71883, 74340, 79870, 86553, 86730, 95844, 96170, 102690, 104076, 115404, 119805, 130095, 134638, 143766, 144255, 159740, 173106, 173460, 192340, 201957, 205380, 239610, 260190, 269276, 287532, 288510, 336595, 346212, 359415, 403914, 432765, 471233, 479220, 520380, 577020, 605871, 673190, 718830, 807828, 865530, 942466, 1009785, 1211742, 1346380, 1413699, 1437660, 1731060, 1884932, 2019570, 2356165, 2423484, 2827398, 3029355, 4039140, 4241097, 4712330, 5654796, 6058710, 7068495, 8482194, 9424660, 12117420, 14136990, 16964388, 21205485, 28273980, 42410970, 84821940]

約数ペア:

[(1, 84821940), (2, 42410970), (3, 28273980), (4, 21205485), (5, 16964388), (6, 14136990), (7, 12117420), (9, 9424660), (10, 8482194), (12, 7068495), (14, 6058710), (15, 5654796), (18, 4712330), (20, 4241097), (21, 4039140), (28, 3029355), (30, 2827398), (35, 2423484), (36, 2356165), (42, 2019570), (45, 1884932), (49, 1731060), (59, 1437660), (60, 1413699), (63, 1346380), (70, 1211742), (84, 1009785), (90, 942466), (98, 865530), (105, 807828), (118, 718830), (126, 673190), (140, 605871), (147, 577020), (163, 520380), (177, 479220), (180, 471233), (196, 432765), (210, 403914), (236, 359415), (245, 346212), (252, 336595), (294, 288510), (295, 287532), (315, 269276), (326, 260190), (354, 239610), (413, 205380), (420, 201957), (441, 192340), (489, 173460), (490, 173106), (531, 159740), (588, 144255), (590, 143766), (630, 134638), (652, 130095), (708, 119805), (735, 115404), (815, 104076), (826, 102690), (882, 96170), (885, 95844), (978, 86730), (980, 86553), (1062, 79870), (1141, 74340), (1180, 71883), (1239, 68460), (1260, 67319), (1467, 57820), (1470, 57702), (1630, 52038), (1652, 51345), (1764, 48085), (1770, 47922), (1956, 43365), (2065, 41076), (2124, 39935), (2205, 38468), (2282, 37170), (2445, 34692), (2478, 34230), (2655, 31948), (2891, 29340), (2934, 28910), (2940, 28851), (3260, 26019), (3423, 24780), (3540, 23961), (3717, 22820), (4130, 20538), (4410, 19234), (4564, 18585), (4890, 17346), (4956, 17115), (5310, 15974), (5705, 14868), (5782, 14670), (5868, 14455), (6195, 13692), (6846, 12390), (7335, 11564), (7434, 11410), (7987, 10620), (8260, 10269), (8673, 9780), (8820, 9617)]