978821520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:501

約数の個数: 160

約数和(自身を含む): 3092373504

約数和(自身を除く): 2113551984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 131, 163, 191, 240, 262, 326, 382, 393, 489, 524, 573, 652, 655, 764, 786, 815, 955, 978, 1048, 1146, 1304, 1310, 1528, 1572, 1630, 1910, 1956, 1965, 2096, 2292, 2445, 2608, 2620, 2865, 3056, 3144, 3260, 3820, 3912, 3930, 4584, 4890, 5240, 5730, 6288, 6520, 7640, 7824, 7860, 9168, 9780, 10480, 11460, 13040, 15280, 15720, 19560, 21353, 22920, 25021, 31133, 31440, 39120, 42706, 45840, 50042, 62266, 64059, 75063, 85412, 93399, 100084, 106765, 124532, 125105, 128118, 150126, 155665, 170824, 186798, 200168, 213530, 249064, 250210, 256236, 300252, 311330, 320295, 341648, 373596, 375315, 400336, 427060, 466995, 498128, 500420, 512472, 600504, 622660, 640590, 747192, 750630, 854120, 933990, 1000840, 1024944, 1201008, 1245320, 1281180, 1494384, 1501260, 1708240, 1867980, 2001680, 2490640, 2562360, 3002520, 3735960, 4078423, 5124720, 6005040, 7471920, 8156846, 12235269, 16313692, 20392115, 24470538, 32627384, 40784230, 48941076, 61176345, 65254768, 81568460, 97882152, 122352690, 163136920, 195764304, 244705380, 326273840, 489410760, 978821520]

約数ペア:

[(1, 978821520), (2, 489410760), (3, 326273840), (4, 244705380), (5, 195764304), (6, 163136920), (8, 122352690), (10, 97882152), (12, 81568460), (15, 65254768), (16, 61176345), (20, 48941076), (24, 40784230), (30, 32627384), (40, 24470538), (48, 20392115), (60, 16313692), (80, 12235269), (120, 8156846), (131, 7471920), (163, 6005040), (191, 5124720), (240, 4078423), (262, 3735960), (326, 3002520), (382, 2562360), (393, 2490640), (489, 2001680), (524, 1867980), (573, 1708240), (652, 1501260), (655, 1494384), (764, 1281180), (786, 1245320), (815, 1201008), (955, 1024944), (978, 1000840), (1048, 933990), (1146, 854120), (1304, 750630), (1310, 747192), (1528, 640590), (1572, 622660), (1630, 600504), (1910, 512472), (1956, 500420), (1965, 498128), (2096, 466995), (2292, 427060), (2445, 400336), (2608, 375315), (2620, 373596), (2865, 341648), (3056, 320295), (3144, 311330), (3260, 300252), (3820, 256236), (3912, 250210), (3930, 249064), (4584, 213530), (4890, 200168), (5240, 186798), (5730, 170824), (6288, 155665), (6520, 150126), (7640, 128118), (7824, 125105), (7860, 124532), (9168, 106765), (9780, 100084), (10480, 93399), (11460, 85412), (13040, 75063), (15280, 64059), (15720, 62266), (19560, 50042), (21353, 45840), (22920, 42706), (25021, 39120), (31133, 31440)]