28135271640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{19949}}^1$

素因数の和:20066

約数の個数: 256

約数和(自身を含む): 102041856000

約数和(自身を除く): 73906584360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 73, 84, 92, 105, 115, 120, 138, 140, 146, 161, 168, 184, 210, 219, 230, 276, 280, 292, 322, 345, 365, 420, 438, 460, 483, 511, 552, 584, 644, 690, 730, 805, 840, 876, 920, 966, 1022, 1095, 1288, 1380, 1460, 1533, 1610, 1679, 1752, 1932, 2044, 2190, 2415, 2555, 2760, 2920, 3066, 3220, 3358, 3864, 4088, 4380, 4830, 5037, 5110, 6132, 6440, 6716, 7665, 8395, 8760, 9660, 10074, 10220, 11753, 12264, 13432, 15330, 16790, 19320, 19949, 20148, 20440, 23506, 25185, 30660, 33580, 35259, 39898, 40296, 47012, 50370, 58765, 59847, 61320, 67160, 70518, 79796, 94024, 99745, 100740, 117530, 119694, 139643, 141036, 159592, 176295, 199490, 201480, 235060, 239388, 279286, 282072, 299235, 352590, 398980, 418929, 458827, 470120, 478776, 558572, 598470, 698215, 705180, 797960, 837858, 917654, 1117144, 1196940, 1376481, 1396430, 1410360, 1456277, 1675716, 1835308, 2094645, 2294135, 2393880, 2752962, 2792860, 2912554, 3211789, 3351432, 3670616, 4189290, 4368831, 4588270, 5505924, 5585720, 5825108, 6423578, 6882405, 7281385, 8378580, 8737662, 9176540, 9635367, 10193939, 11011848, 11650216, 12847156, 13764810, 14562770, 16058945, 16757160, 17475324, 18353080, 19270734, 20387878, 21844155, 25694312, 27529620, 29125540, 30581817, 32117890, 33494371, 34950648, 38541468, 40775756, 43688310, 48176835, 50969695, 55059240, 58251080, 61163634, 64235780, 66988742, 77082936, 81551512, 87376620, 96353670, 100483113, 101939390, 122327268, 128471560, 133977484, 152909085, 167471855, 174753240, 192707340, 200966226, 203878780, 234460597, 244654536, 267954968, 305818170, 334943710, 385414680, 401932452, 407757560, 468921194, 502415565, 611636340, 669887420, 703381791, 803864904, 937842388, 1004831130, 1172302985, 1223272680, 1339774840, 1406763582, 1875684776, 2009662260, 2344605970, 2813527164, 3516908955, 4019324520, 4689211940, 5627054328, 7033817910, 9378423880, 14067635820, 28135271640]

約数ペア:

[(1, 28135271640), (2, 14067635820), (3, 9378423880), (4, 7033817910), (5, 5627054328), (6, 4689211940), (7, 4019324520), (8, 3516908955), (10, 2813527164), (12, 2344605970), (14, 2009662260), (15, 1875684776), (20, 1406763582), (21, 1339774840), (23, 1223272680), (24, 1172302985), (28, 1004831130), (30, 937842388), (35, 803864904), (40, 703381791), (42, 669887420), (46, 611636340), (56, 502415565), (60, 468921194), (69, 407757560), (70, 401932452), (73, 385414680), (84, 334943710), (92, 305818170), (105, 267954968), (115, 244654536), (120, 234460597), (138, 203878780), (140, 200966226), (146, 192707340), (161, 174753240), (168, 167471855), (184, 152909085), (210, 133977484), (219, 128471560), (230, 122327268), (276, 101939390), (280, 100483113), (292, 96353670), (322, 87376620), (345, 81551512), (365, 77082936), (420, 66988742), (438, 64235780), (460, 61163634), (483, 58251080), (511, 55059240), (552, 50969695), (584, 48176835), (644, 43688310), (690, 40775756), (730, 38541468), (805, 34950648), (840, 33494371), (876, 32117890), (920, 30581817), (966, 29125540), (1022, 27529620), (1095, 25694312), (1288, 21844155), (1380, 20387878), (1460, 19270734), (1533, 18353080), (1610, 17475324), (1679, 16757160), (1752, 16058945), (1932, 14562770), (2044, 13764810), (2190, 12847156), (2415, 11650216), (2555, 11011848), (2760, 10193939), (2920, 9635367), (3066, 9176540), (3220, 8737662), (3358, 8378580), (3864, 7281385), (4088, 6882405), (4380, 6423578), (4830, 5825108), (5037, 5585720), (5110, 5505924), (6132, 4588270), (6440, 4368831), (6716, 4189290), (7665, 3670616), (8395, 3351432), (8760, 3211789), (9660, 2912554), (10074, 2792860), (10220, 2752962), (11753, 2393880), (12264, 2294135), (13432, 2094645), (15330, 1835308), (16790, 1675716), (19320, 1456277), (19949, 1410360), (20148, 1396430), (20440, 1376481), (23506, 1196940), (25185, 1117144), (30660, 917654), (33580, 837858), (35259, 797960), (39898, 705180), (40296, 698215), (47012, 598470), (50370, 558572), (58765, 478776), (59847, 470120), (61320, 458827), (67160, 418929), (70518, 398980), (79796, 352590), (94024, 299235), (99745, 282072), (100740, 279286), (117530, 239388), (119694, 235060), (139643, 201480), (141036, 199490), (159592, 176295)]