649191240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1861}}^1$

素因数の和:1917

約数の個数: 256

約数和(自身を含む): 2413152000

約数和(自身を除く): 1763960760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 19, 20, 24, 27, 30, 34, 36, 38, 40, 45, 51, 54, 57, 60, 68, 72, 76, 85, 90, 95, 102, 108, 114, 120, 135, 136, 152, 153, 170, 171, 180, 190, 204, 216, 228, 255, 270, 285, 306, 323, 340, 342, 360, 380, 408, 456, 459, 510, 513, 540, 570, 612, 646, 680, 684, 760, 765, 855, 918, 969, 1020, 1026, 1080, 1140, 1224, 1292, 1368, 1530, 1615, 1710, 1836, 1861, 1938, 2040, 2052, 2280, 2295, 2565, 2584, 2907, 3060, 3230, 3420, 3672, 3722, 3876, 4104, 4590, 4845, 5130, 5583, 5814, 6120, 6460, 6840, 7444, 7752, 8721, 9180, 9305, 9690, 10260, 11166, 11628, 12920, 14535, 14888, 16749, 17442, 18360, 18610, 19380, 20520, 22332, 23256, 27915, 29070, 31637, 33498, 34884, 35359, 37220, 38760, 43605, 44664, 50247, 55830, 58140, 63274, 66996, 69768, 70718, 74440, 83745, 87210, 94911, 100494, 106077, 111660, 116280, 126548, 133992, 141436, 158185, 167490, 174420, 176795, 189822, 200988, 212154, 223320, 251235, 253096, 282872, 284733, 316370, 318231, 334980, 348840, 353590, 379644, 401976, 424308, 474555, 502470, 530385, 569466, 601103, 632740, 636462, 669960, 707180, 759288, 848616, 854199, 949110, 954693, 1004940, 1060770, 1138932, 1202206, 1265480, 1272924, 1414360, 1423665, 1591155, 1708398, 1803309, 1898220, 1909386, 2009880, 2121540, 2277864, 2404412, 2545848, 2847330, 3005515, 3182310, 3416796, 3606618, 3796440, 3818772, 4243080, 4270995, 4773465, 4808824, 5409927, 5694660, 6011030, 6364620, 6833592, 7213236, 7637544, 8541990, 9016545, 9546930, 10819854, 11389320, 12022060, 12729240, 14426472, 16229781, 17083980, 18033090, 19093860, 21639708, 24044120, 27049635, 32459562, 34167960, 36066180, 38187720, 43279416, 54099270, 64919124, 72132360, 81148905, 108198540, 129838248, 162297810, 216397080, 324595620, 649191240]

約数ペア:

[(1, 649191240), (2, 324595620), (3, 216397080), (4, 162297810), (5, 129838248), (6, 108198540), (8, 81148905), (9, 72132360), (10, 64919124), (12, 54099270), (15, 43279416), (17, 38187720), (18, 36066180), (19, 34167960), (20, 32459562), (24, 27049635), (27, 24044120), (30, 21639708), (34, 19093860), (36, 18033090), (38, 17083980), (40, 16229781), (45, 14426472), (51, 12729240), (54, 12022060), (57, 11389320), (60, 10819854), (68, 9546930), (72, 9016545), (76, 8541990), (85, 7637544), (90, 7213236), (95, 6833592), (102, 6364620), (108, 6011030), (114, 5694660), (120, 5409927), (135, 4808824), (136, 4773465), (152, 4270995), (153, 4243080), (170, 3818772), (171, 3796440), (180, 3606618), (190, 3416796), (204, 3182310), (216, 3005515), (228, 2847330), (255, 2545848), (270, 2404412), (285, 2277864), (306, 2121540), (323, 2009880), (340, 1909386), (342, 1898220), (360, 1803309), (380, 1708398), (408, 1591155), (456, 1423665), (459, 1414360), (510, 1272924), (513, 1265480), (540, 1202206), (570, 1138932), (612, 1060770), (646, 1004940), (680, 954693), (684, 949110), (760, 854199), (765, 848616), (855, 759288), (918, 707180), (969, 669960), (1020, 636462), (1026, 632740), (1080, 601103), (1140, 569466), (1224, 530385), (1292, 502470), (1368, 474555), (1530, 424308), (1615, 401976), (1710, 379644), (1836, 353590), (1861, 348840), (1938, 334980), (2040, 318231), (2052, 316370), (2280, 284733), (2295, 282872), (2565, 253096), (2584, 251235), (2907, 223320), (3060, 212154), (3230, 200988), (3420, 189822), (3672, 176795), (3722, 174420), (3876, 167490), (4104, 158185), (4590, 141436), (4845, 133992), (5130, 126548), (5583, 116280), (5814, 111660), (6120, 106077), (6460, 100494), (6840, 94911), (7444, 87210), (7752, 83745), (8721, 74440), (9180, 70718), (9305, 69768), (9690, 66996), (10260, 63274), (11166, 58140), (11628, 55830), (12920, 50247), (14535, 44664), (14888, 43605), (16749, 38760), (17442, 37220), (18360, 35359), (18610, 34884), (19380, 33498), (20520, 31637), (22332, 29070), (23256, 27915)]