81813300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 251983872

約数和(自身を除く): 170170572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 46, 50, 60, 69, 71, 75, 92, 100, 115, 138, 142, 150, 167, 213, 230, 276, 284, 300, 334, 345, 355, 426, 460, 501, 575, 668, 690, 710, 835, 852, 1002, 1065, 1150, 1380, 1420, 1633, 1670, 1725, 1775, 2004, 2130, 2300, 2505, 3266, 3340, 3450, 3550, 3841, 4175, 4260, 4899, 5010, 5325, 6532, 6900, 7100, 7682, 8165, 8350, 9798, 10020, 10650, 11523, 11857, 12525, 15364, 16330, 16700, 19205, 19596, 21300, 23046, 23714, 24495, 25050, 32660, 35571, 38410, 40825, 46092, 47428, 48990, 50100, 57615, 59285, 71142, 76820, 81650, 96025, 97980, 115230, 118570, 122475, 142284, 163300, 177855, 192050, 230460, 237140, 244950, 272711, 288075, 296425, 355710, 384100, 489900, 545422, 576150, 592850, 711420, 818133, 889275, 1090844, 1152300, 1185700, 1363555, 1636266, 1778550, 2727110, 3272532, 3557100, 4090665, 5454220, 6817775, 8181330, 13635550, 16362660, 20453325, 27271100, 40906650, 81813300]

約数ペア:

[(1, 81813300), (2, 40906650), (3, 27271100), (4, 20453325), (5, 16362660), (6, 13635550), (10, 8181330), (12, 6817775), (15, 5454220), (20, 4090665), (23, 3557100), (25, 3272532), (30, 2727110), (46, 1778550), (50, 1636266), (60, 1363555), (69, 1185700), (71, 1152300), (75, 1090844), (92, 889275), (100, 818133), (115, 711420), (138, 592850), (142, 576150), (150, 545422), (167, 489900), (213, 384100), (230, 355710), (276, 296425), (284, 288075), (300, 272711), (334, 244950), (345, 237140), (355, 230460), (426, 192050), (460, 177855), (501, 163300), (575, 142284), (668, 122475), (690, 118570), (710, 115230), (835, 97980), (852, 96025), (1002, 81650), (1065, 76820), (1150, 71142), (1380, 59285), (1420, 57615), (1633, 50100), (1670, 48990), (1725, 47428), (1775, 46092), (2004, 40825), (2130, 38410), (2300, 35571), (2505, 32660), (3266, 25050), (3340, 24495), (3450, 23714), (3550, 23046), (3841, 21300), (4175, 19596), (4260, 19205), (4899, 16700), (5010, 16330), (5325, 15364), (6532, 12525), (6900, 11857), (7100, 11523), (7682, 10650), (8165, 10020), (8350, 9798)]