64807380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:558

約数の個数: 144

約数和(自身を含む): 217945728

約数和(自身を除く): 153138348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 71, 90, 99, 110, 132, 142, 165, 180, 198, 213, 220, 284, 330, 355, 396, 426, 461, 495, 639, 660, 710, 781, 852, 922, 990, 1065, 1278, 1383, 1420, 1562, 1844, 1980, 2130, 2305, 2343, 2556, 2766, 3124, 3195, 3905, 4149, 4260, 4610, 4686, 5071, 5532, 6390, 6915, 7029, 7810, 8298, 9220, 9372, 10142, 11715, 12780, 13830, 14058, 15213, 15620, 16596, 20284, 20745, 23430, 25355, 27660, 28116, 30426, 32731, 35145, 41490, 45639, 46860, 50710, 60852, 65462, 70290, 76065, 82980, 91278, 98193, 101420, 130924, 140580, 152130, 163655, 182556, 196386, 228195, 294579, 304260, 327310, 360041, 392772, 456390, 490965, 589158, 654620, 720082, 912780, 981930, 1080123, 1178316, 1440164, 1472895, 1800205, 1963860, 2160246, 2945790, 3240369, 3600410, 4320492, 5400615, 5891580, 6480738, 7200820, 10801230, 12961476, 16201845, 21602460, 32403690, 64807380]

約数ペア:

[(1, 64807380), (2, 32403690), (3, 21602460), (4, 16201845), (5, 12961476), (6, 10801230), (9, 7200820), (10, 6480738), (11, 5891580), (12, 5400615), (15, 4320492), (18, 3600410), (20, 3240369), (22, 2945790), (30, 2160246), (33, 1963860), (36, 1800205), (44, 1472895), (45, 1440164), (55, 1178316), (60, 1080123), (66, 981930), (71, 912780), (90, 720082), (99, 654620), (110, 589158), (132, 490965), (142, 456390), (165, 392772), (180, 360041), (198, 327310), (213, 304260), (220, 294579), (284, 228195), (330, 196386), (355, 182556), (396, 163655), (426, 152130), (461, 140580), (495, 130924), (639, 101420), (660, 98193), (710, 91278), (781, 82980), (852, 76065), (922, 70290), (990, 65462), (1065, 60852), (1278, 50710), (1383, 46860), (1420, 45639), (1562, 41490), (1844, 35145), (1980, 32731), (2130, 30426), (2305, 28116), (2343, 27660), (2556, 25355), (2766, 23430), (3124, 20745), (3195, 20284), (3905, 16596), (4149, 15620), (4260, 15213), (4610, 14058), (4686, 13830), (5071, 12780), (5532, 11715), (6390, 10142), (6915, 9372), (7029, 9220), (7810, 8298)]