640360440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{5683}}^1$

素因数の和:6013

約数の個数: 96

約数和(自身を含む): 2088187920

約数和(自身を除く): 1447827480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 313, 360, 626, 939, 1252, 1565, 1878, 2504, 2817, 3130, 3756, 4695, 5634, 5683, 6260, 7512, 9390, 11268, 11366, 12520, 14085, 17049, 18780, 22536, 22732, 28170, 28415, 34098, 37560, 45464, 51147, 56340, 56830, 68196, 85245, 102294, 112680, 113660, 136392, 170490, 204588, 227320, 255735, 340980, 409176, 511470, 681960, 1022940, 1778779, 2045880, 3557558, 5336337, 7115116, 8893895, 10672674, 14230232, 16009011, 17787790, 21345348, 26681685, 32018022, 35575580, 42690696, 53363370, 64036044, 71151160, 80045055, 106726740, 128072088, 160090110, 213453480, 320180220, 640360440]

約数ペア:

[(1, 640360440), (2, 320180220), (3, 213453480), (4, 160090110), (5, 128072088), (6, 106726740), (8, 80045055), (9, 71151160), (10, 64036044), (12, 53363370), (15, 42690696), (18, 35575580), (20, 32018022), (24, 26681685), (30, 21345348), (36, 17787790), (40, 16009011), (45, 14230232), (60, 10672674), (72, 8893895), (90, 7115116), (120, 5336337), (180, 3557558), (313, 2045880), (360, 1778779), (626, 1022940), (939, 681960), (1252, 511470), (1565, 409176), (1878, 340980), (2504, 255735), (2817, 227320), (3130, 204588), (3756, 170490), (4695, 136392), (5634, 113660), (5683, 112680), (6260, 102294), (7512, 85245), (9390, 68196), (11268, 56830), (11366, 56340), (12520, 51147), (14085, 45464), (17049, 37560), (18780, 34098), (22536, 28415), (22732, 28170)]