256618440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54833}}^1$

素因数の和:54863

約数の個数: 96

約数和(自身を含む): 898180920

約数和(自身を除く): 641562480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 54833, 109666, 164499, 219332, 274165, 328998, 438664, 493497, 548330, 657996, 712829, 822495, 986994, 1096660, 1315992, 1425658, 1644990, 1973988, 2138487, 2193320, 2467485, 2851316, 3289980, 3564145, 3947976, 4276974, 4934970, 5702632, 6415461, 6579960, 7128290, 8553948, 9869940, 10692435, 12830922, 14256580, 17107896, 19739880, 21384870, 25661844, 28513160, 32077305, 42769740, 51323688, 64154610, 85539480, 128309220, 256618440]

約数ペア:

[(1, 256618440), (2, 128309220), (3, 85539480), (4, 64154610), (5, 51323688), (6, 42769740), (8, 32077305), (9, 28513160), (10, 25661844), (12, 21384870), (13, 19739880), (15, 17107896), (18, 14256580), (20, 12830922), (24, 10692435), (26, 9869940), (30, 8553948), (36, 7128290), (39, 6579960), (40, 6415461), (45, 5702632), (52, 4934970), (60, 4276974), (65, 3947976), (72, 3564145), (78, 3289980), (90, 2851316), (104, 2467485), (117, 2193320), (120, 2138487), (130, 1973988), (156, 1644990), (180, 1425658), (195, 1315992), (234, 1096660), (260, 986994), (312, 822495), (360, 712829), (390, 657996), (468, 548330), (520, 493497), (585, 438664), (780, 328998), (936, 274165), (1170, 219332), (1560, 164499), (2340, 109666), (4680, 54833)]