688407480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1171}}^1$

素因数の和:1282

約数の個数: 192

約数和(自身を含む): 2369502720

約数和(自身を除く): 1681095240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 71, 72, 90, 92, 115, 120, 138, 142, 180, 184, 207, 213, 230, 276, 284, 345, 355, 360, 414, 426, 460, 552, 568, 639, 690, 710, 828, 852, 920, 1035, 1065, 1171, 1278, 1380, 1420, 1633, 1656, 1704, 2070, 2130, 2342, 2556, 2760, 2840, 3195, 3266, 3513, 4140, 4260, 4684, 4899, 5112, 5855, 6390, 6532, 7026, 8165, 8280, 8520, 9368, 9798, 10539, 11710, 12780, 13064, 14052, 14697, 16330, 17565, 19596, 21078, 23420, 24495, 25560, 26933, 28104, 29394, 32660, 35130, 39192, 42156, 46840, 48990, 52695, 53866, 58788, 65320, 70260, 73485, 80799, 83141, 84312, 97980, 105390, 107732, 117576, 134665, 140520, 146970, 161598, 166282, 195960, 210780, 215464, 242397, 249423, 269330, 293940, 323196, 332564, 403995, 415705, 421560, 484794, 498846, 538660, 587880, 646392, 665128, 748269, 807990, 831410, 969588, 997692, 1077320, 1211985, 1247115, 1496538, 1615980, 1662820, 1912243, 1939176, 1995384, 2423970, 2494230, 2993076, 3231960, 3325640, 3741345, 3824486, 4847940, 4988460, 5736729, 5986152, 7482690, 7648972, 9561215, 9695880, 9976920, 11473458, 14965380, 15297944, 17210187, 19122430, 22946916, 28683645, 29930760, 34420374, 38244860, 45893832, 57367290, 68840748, 76489720, 86050935, 114734580, 137681496, 172101870, 229469160, 344203740, 688407480]

約数ペア:

[(1, 688407480), (2, 344203740), (3, 229469160), (4, 172101870), (5, 137681496), (6, 114734580), (8, 86050935), (9, 76489720), (10, 68840748), (12, 57367290), (15, 45893832), (18, 38244860), (20, 34420374), (23, 29930760), (24, 28683645), (30, 22946916), (36, 19122430), (40, 17210187), (45, 15297944), (46, 14965380), (60, 11473458), (69, 9976920), (71, 9695880), (72, 9561215), (90, 7648972), (92, 7482690), (115, 5986152), (120, 5736729), (138, 4988460), (142, 4847940), (180, 3824486), (184, 3741345), (207, 3325640), (213, 3231960), (230, 2993076), (276, 2494230), (284, 2423970), (345, 1995384), (355, 1939176), (360, 1912243), (414, 1662820), (426, 1615980), (460, 1496538), (552, 1247115), (568, 1211985), (639, 1077320), (690, 997692), (710, 969588), (828, 831410), (852, 807990), (920, 748269), (1035, 665128), (1065, 646392), (1171, 587880), (1278, 538660), (1380, 498846), (1420, 484794), (1633, 421560), (1656, 415705), (1704, 403995), (2070, 332564), (2130, 323196), (2342, 293940), (2556, 269330), (2760, 249423), (2840, 242397), (3195, 215464), (3266, 210780), (3513, 195960), (4140, 166282), (4260, 161598), (4684, 146970), (4899, 140520), (5112, 134665), (5855, 117576), (6390, 107732), (6532, 105390), (7026, 97980), (8165, 84312), (8280, 83141), (8520, 80799), (9368, 73485), (9798, 70260), (10539, 65320), (11710, 58788), (12780, 53866), (13064, 52695), (14052, 48990), (14697, 46840), (16330, 42156), (17565, 39192), (19596, 35130), (21078, 32660), (23420, 29394), (24495, 28104), (25560, 26933)]