78973020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{269}}^1$

素因数の和:524

約数の個数: 144

約数和(自身を含む): 275970240

約数和(自身を除く): 196997220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 233, 252, 269, 315, 420, 466, 538, 630, 699, 807, 932, 1076, 1165, 1260, 1345, 1398, 1614, 1631, 1883, 2097, 2330, 2421, 2690, 2796, 3228, 3262, 3495, 3766, 4035, 4194, 4660, 4842, 4893, 5380, 5649, 6524, 6990, 7532, 8070, 8155, 8388, 9415, 9684, 9786, 10485, 11298, 12105, 13980, 14679, 16140, 16310, 16947, 18830, 19572, 20970, 22596, 24210, 24465, 28245, 29358, 32620, 33894, 37660, 41940, 48420, 48930, 56490, 58716, 62677, 67788, 73395, 84735, 97860, 112980, 125354, 146790, 169470, 188031, 250708, 293580, 313385, 338940, 376062, 438739, 564093, 626770, 752124, 877478, 940155, 1128186, 1253540, 1316217, 1754956, 1880310, 2193695, 2256372, 2632434, 2820465, 3760620, 3948651, 4387390, 5264868, 5640930, 6581085, 7897302, 8774780, 11281860, 13162170, 15794604, 19743255, 26324340, 39486510, 78973020]

約数ペア:

[(1, 78973020), (2, 39486510), (3, 26324340), (4, 19743255), (5, 15794604), (6, 13162170), (7, 11281860), (9, 8774780), (10, 7897302), (12, 6581085), (14, 5640930), (15, 5264868), (18, 4387390), (20, 3948651), (21, 3760620), (28, 2820465), (30, 2632434), (35, 2256372), (36, 2193695), (42, 1880310), (45, 1754956), (60, 1316217), (63, 1253540), (70, 1128186), (84, 940155), (90, 877478), (105, 752124), (126, 626770), (140, 564093), (180, 438739), (210, 376062), (233, 338940), (252, 313385), (269, 293580), (315, 250708), (420, 188031), (466, 169470), (538, 146790), (630, 125354), (699, 112980), (807, 97860), (932, 84735), (1076, 73395), (1165, 67788), (1260, 62677), (1345, 58716), (1398, 56490), (1614, 48930), (1631, 48420), (1883, 41940), (2097, 37660), (2330, 33894), (2421, 32620), (2690, 29358), (2796, 28245), (3228, 24465), (3262, 24210), (3495, 22596), (3766, 20970), (4035, 19572), (4194, 18830), (4660, 16947), (4842, 16310), (4893, 16140), (5380, 14679), (5649, 13980), (6524, 12105), (6990, 11298), (7532, 10485), (8070, 9786), (8155, 9684), (8388, 9415)]