205715160

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{27211}}^1$

素因数の和:27238

約数の個数: 128

約数和(自身を含む): 783705600

約数和(自身を除く): 577990440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 27211, 54422, 81633, 108844, 136055, 163266, 190477, 217688, 244899, 272110, 326532, 380954, 408165, 489798, 544220, 571431, 653064, 734697, 761908, 816330, 952385, 979596, 1088440, 1142862, 1224495, 1469394, 1523816, 1632660, 1714293, 1904770, 1959192, 2285724, 2448990, 2857155, 2938788, 3265320, 3428586, 3673485, 3809540, 4571448, 4897980, 5142879, 5714310, 5877576, 6857172, 7346970, 7619080, 8571465, 9795960, 10285758, 11428620, 13714344, 14693940, 17142930, 20571516, 22857240, 25714395, 29387880, 34285860, 41143032, 51428790, 68571720, 102857580, 205715160]

約数ペア:

[(1, 205715160), (2, 102857580), (3, 68571720), (4, 51428790), (5, 41143032), (6, 34285860), (7, 29387880), (8, 25714395), (9, 22857240), (10, 20571516), (12, 17142930), (14, 14693940), (15, 13714344), (18, 11428620), (20, 10285758), (21, 9795960), (24, 8571465), (27, 7619080), (28, 7346970), (30, 6857172), (35, 5877576), (36, 5714310), (40, 5142879), (42, 4897980), (45, 4571448), (54, 3809540), (56, 3673485), (60, 3428586), (63, 3265320), (70, 2938788), (72, 2857155), (84, 2448990), (90, 2285724), (105, 1959192), (108, 1904770), (120, 1714293), (126, 1632660), (135, 1523816), (140, 1469394), (168, 1224495), (180, 1142862), (189, 1088440), (210, 979596), (216, 952385), (252, 816330), (270, 761908), (280, 734697), (315, 653064), (360, 571431), (378, 544220), (420, 489798), (504, 408165), (540, 380954), (630, 326532), (756, 272110), (840, 244899), (945, 217688), (1080, 190477), (1260, 163266), (1512, 136055), (1890, 108844), (2520, 81633), (3780, 54422), (7560, 27211)]