320001360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{27211}}^1$

素因数の和:27241

約数の個数: 120

約数和(自身を含む): 1154006496

約数和(自身を除く): 834005136

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 27211, 54422, 81633, 108844, 136055, 163266, 190477, 217688, 272110, 326532, 380954, 408165, 435376, 544220, 571431, 653064, 761908, 816330, 952385, 1088440, 1142862, 1306128, 1333339, 1523816, 1632660, 1904770, 2176880, 2285724, 2666678, 2857155, 3047632, 3265320, 3809540, 4000017, 4571448, 5333356, 5714310, 6530640, 6666695, 7619080, 8000034, 9142896, 10666712, 11428620, 13333390, 15238160, 16000068, 20000085, 21333424, 22857240, 26666780, 32000136, 40000170, 45714480, 53333560, 64000272, 80000340, 106667120, 160000680, 320001360]

約数ペア:

[(1, 320001360), (2, 160000680), (3, 106667120), (4, 80000340), (5, 64000272), (6, 53333560), (7, 45714480), (8, 40000170), (10, 32000136), (12, 26666780), (14, 22857240), (15, 21333424), (16, 20000085), (20, 16000068), (21, 15238160), (24, 13333390), (28, 11428620), (30, 10666712), (35, 9142896), (40, 8000034), (42, 7619080), (48, 6666695), (49, 6530640), (56, 5714310), (60, 5333356), (70, 4571448), (80, 4000017), (84, 3809540), (98, 3265320), (105, 3047632), (112, 2857155), (120, 2666678), (140, 2285724), (147, 2176880), (168, 1904770), (196, 1632660), (210, 1523816), (240, 1333339), (245, 1306128), (280, 1142862), (294, 1088440), (336, 952385), (392, 816330), (420, 761908), (490, 653064), (560, 571431), (588, 544220), (735, 435376), (784, 408165), (840, 380954), (980, 326532), (1176, 272110), (1470, 217688), (1680, 190477), (1960, 163266), (2352, 136055), (2940, 108844), (3920, 81633), (5880, 54422), (11760, 27211)]