689914920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{971}}^1$

素因数の和:1207

約数の個数: 128

約数和(自身を含む): 2149908480

約数和(自身を除く): 1459993560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 191, 248, 310, 372, 382, 465, 573, 620, 744, 764, 930, 955, 971, 1146, 1240, 1528, 1860, 1910, 1942, 2292, 2865, 2913, 3720, 3820, 3884, 4584, 4855, 5730, 5826, 5921, 7640, 7768, 9710, 11460, 11652, 11842, 14565, 17763, 19420, 22920, 23304, 23684, 29130, 29605, 30101, 35526, 38840, 47368, 58260, 59210, 60202, 71052, 88815, 90303, 116520, 118420, 120404, 142104, 150505, 177630, 180606, 185461, 236840, 240808, 301010, 355260, 361212, 370922, 451515, 556383, 602020, 710520, 722424, 741844, 903030, 927305, 1112766, 1204040, 1483688, 1806060, 1854610, 2225532, 2781915, 3612120, 3709220, 4451064, 5563830, 5749291, 7418440, 11127660, 11498582, 17247873, 22255320, 22997164, 28746455, 34495746, 45994328, 57492910, 68991492, 86239365, 114985820, 137982984, 172478730, 229971640, 344957460, 689914920]

約数ペア:

[(1, 689914920), (2, 344957460), (3, 229971640), (4, 172478730), (5, 137982984), (6, 114985820), (8, 86239365), (10, 68991492), (12, 57492910), (15, 45994328), (20, 34495746), (24, 28746455), (30, 22997164), (31, 22255320), (40, 17247873), (60, 11498582), (62, 11127660), (93, 7418440), (120, 5749291), (124, 5563830), (155, 4451064), (186, 3709220), (191, 3612120), (248, 2781915), (310, 2225532), (372, 1854610), (382, 1806060), (465, 1483688), (573, 1204040), (620, 1112766), (744, 927305), (764, 903030), (930, 741844), (955, 722424), (971, 710520), (1146, 602020), (1240, 556383), (1528, 451515), (1860, 370922), (1910, 361212), (1942, 355260), (2292, 301010), (2865, 240808), (2913, 236840), (3720, 185461), (3820, 180606), (3884, 177630), (4584, 150505), (4855, 142104), (5730, 120404), (5826, 118420), (5921, 116520), (7640, 90303), (7768, 88815), (9710, 71052), (11460, 60202), (11652, 59210), (11842, 58260), (14565, 47368), (17763, 38840), (19420, 35526), (22920, 30101), (23304, 29605), (23684, 29130)]