76831020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:341

約数の個数: 216

約数和(自身を含む): 280844928

約数和(自身を除く): 204013908

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 49, 60, 62, 63, 70, 84, 90, 93, 98, 105, 124, 126, 140, 147, 155, 180, 186, 196, 210, 217, 245, 252, 279, 281, 294, 310, 315, 372, 420, 434, 441, 465, 490, 558, 562, 588, 620, 630, 651, 735, 843, 868, 882, 930, 980, 1085, 1116, 1124, 1260, 1302, 1395, 1405, 1470, 1519, 1686, 1764, 1860, 1953, 1967, 2170, 2205, 2529, 2604, 2790, 2810, 2940, 3038, 3255, 3372, 3906, 3934, 4215, 4340, 4410, 4557, 5058, 5580, 5620, 5901, 6076, 6510, 7595, 7812, 7868, 8430, 8711, 8820, 9114, 9765, 9835, 10116, 11802, 12645, 13020, 13671, 13769, 15190, 16860, 17422, 17703, 18228, 19530, 19670, 22785, 23604, 25290, 26133, 27342, 27538, 29505, 30380, 34844, 35406, 39060, 39340, 41307, 43555, 45570, 50580, 52266, 54684, 55076, 59010, 60977, 68355, 68845, 70812, 78399, 82614, 87110, 88515, 91140, 104532, 118020, 121954, 123921, 130665, 136710, 137690, 156798, 165228, 174220, 177030, 182931, 206535, 243908, 247842, 261330, 273420, 275380, 304885, 313596, 354060, 365862, 391995, 413070, 426839, 495684, 522660, 548793, 609770, 619605, 731724, 783990, 826140, 853678, 914655, 1097586, 1219540, 1239210, 1280517, 1567980, 1707356, 1829310, 2134195, 2195172, 2478420, 2561034, 2743965, 3658620, 3841551, 4268390, 5122068, 5487930, 6402585, 7683102, 8536780, 10975860, 12805170, 15366204, 19207755, 25610340, 38415510, 76831020]

約数ペア:

[(1, 76831020), (2, 38415510), (3, 25610340), (4, 19207755), (5, 15366204), (6, 12805170), (7, 10975860), (9, 8536780), (10, 7683102), (12, 6402585), (14, 5487930), (15, 5122068), (18, 4268390), (20, 3841551), (21, 3658620), (28, 2743965), (30, 2561034), (31, 2478420), (35, 2195172), (36, 2134195), (42, 1829310), (45, 1707356), (49, 1567980), (60, 1280517), (62, 1239210), (63, 1219540), (70, 1097586), (84, 914655), (90, 853678), (93, 826140), (98, 783990), (105, 731724), (124, 619605), (126, 609770), (140, 548793), (147, 522660), (155, 495684), (180, 426839), (186, 413070), (196, 391995), (210, 365862), (217, 354060), (245, 313596), (252, 304885), (279, 275380), (281, 273420), (294, 261330), (310, 247842), (315, 243908), (372, 206535), (420, 182931), (434, 177030), (441, 174220), (465, 165228), (490, 156798), (558, 137690), (562, 136710), (588, 130665), (620, 123921), (630, 121954), (651, 118020), (735, 104532), (843, 91140), (868, 88515), (882, 87110), (930, 82614), (980, 78399), (1085, 70812), (1116, 68845), (1124, 68355), (1260, 60977), (1302, 59010), (1395, 55076), (1405, 54684), (1470, 52266), (1519, 50580), (1686, 45570), (1764, 43555), (1860, 41307), (1953, 39340), (1967, 39060), (2170, 35406), (2205, 34844), (2529, 30380), (2604, 29505), (2790, 27538), (2810, 27342), (2940, 26133), (3038, 25290), (3255, 23604), (3372, 22785), (3906, 19670), (3934, 19530), (4215, 18228), (4340, 17703), (4410, 17422), (4557, 16860), (5058, 15190), (5580, 13769), (5620, 13671), (5901, 13020), (6076, 12645), (6510, 11802), (7595, 10116), (7812, 9835), (7868, 9765), (8430, 9114), (8711, 8820)]