248326740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{233}}^1$

素因数の和:470

約数の個数: 144

約数和(自身を含む): 784982016

約数和(自身を除く): 536655276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 191, 233, 279, 310, 372, 382, 465, 466, 558, 573, 620, 699, 764, 930, 932, 955, 1116, 1146, 1165, 1395, 1398, 1719, 1860, 1910, 2097, 2292, 2330, 2790, 2796, 2865, 3438, 3495, 3820, 4194, 4660, 5580, 5730, 5921, 6876, 6990, 7223, 8388, 8595, 10485, 11460, 11842, 13980, 14446, 17190, 17763, 20970, 21669, 23684, 28892, 29605, 34380, 35526, 36115, 41940, 43338, 44503, 53289, 59210, 65007, 71052, 72230, 86676, 88815, 89006, 106578, 108345, 118420, 130014, 133509, 144460, 177630, 178012, 213156, 216690, 222515, 260028, 266445, 267018, 325035, 355260, 400527, 433380, 445030, 532890, 534036, 650070, 667545, 801054, 890060, 1065780, 1300140, 1335090, 1379593, 1602108, 2002635, 2670180, 2759186, 4005270, 4138779, 5518372, 6897965, 8010540, 8277558, 12416337, 13795930, 16555116, 20693895, 24832674, 27591860, 41387790, 49665348, 62081685, 82775580, 124163370, 248326740]

約数ペア:

[(1, 248326740), (2, 124163370), (3, 82775580), (4, 62081685), (5, 49665348), (6, 41387790), (9, 27591860), (10, 24832674), (12, 20693895), (15, 16555116), (18, 13795930), (20, 12416337), (30, 8277558), (31, 8010540), (36, 6897965), (45, 5518372), (60, 4138779), (62, 4005270), (90, 2759186), (93, 2670180), (124, 2002635), (155, 1602108), (180, 1379593), (186, 1335090), (191, 1300140), (233, 1065780), (279, 890060), (310, 801054), (372, 667545), (382, 650070), (465, 534036), (466, 532890), (558, 445030), (573, 433380), (620, 400527), (699, 355260), (764, 325035), (930, 267018), (932, 266445), (955, 260028), (1116, 222515), (1146, 216690), (1165, 213156), (1395, 178012), (1398, 177630), (1719, 144460), (1860, 133509), (1910, 130014), (2097, 118420), (2292, 108345), (2330, 106578), (2790, 89006), (2796, 88815), (2865, 86676), (3438, 72230), (3495, 71052), (3820, 65007), (4194, 59210), (4660, 53289), (5580, 44503), (5730, 43338), (5921, 41940), (6876, 36115), (6990, 35526), (7223, 34380), (8388, 29605), (8595, 28892), (10485, 23684), (11460, 21669), (11842, 20970), (13980, 17763), (14446, 17190)]