1921361280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7639}}^1$

素因数の和:7792

約数の個数: 128

約数和(自身を含む): 6171897600

約数和(自身を除く): 4250536320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 131, 160, 192, 240, 262, 320, 384, 393, 480, 524, 640, 655, 786, 960, 1048, 1310, 1572, 1920, 1965, 2096, 2620, 3144, 3930, 4192, 5240, 6288, 7639, 7860, 8384, 10480, 12576, 15278, 15720, 16768, 20960, 22917, 25152, 30556, 31440, 38195, 41920, 45834, 50304, 61112, 62880, 76390, 83840, 91668, 114585, 122224, 125760, 152780, 183336, 229170, 244448, 251520, 305560, 366672, 458340, 488896, 611120, 733344, 916680, 977792, 1000709, 1222240, 1466688, 1833360, 2001418, 2444480, 2933376, 3002127, 3666720, 4002836, 4888960, 5003545, 6004254, 7333440, 8005672, 10007090, 12008508, 14666880, 15010635, 16011344, 20014180, 24017016, 30021270, 32022688, 40028360, 48034032, 60042540, 64045376, 80056720, 96068064, 120085080, 128090752, 160113440, 192136128, 240170160, 320226880, 384272256, 480340320, 640453760, 960680640, 1921361280]

約数ペア:

[(1, 1921361280), (2, 960680640), (3, 640453760), (4, 480340320), (5, 384272256), (6, 320226880), (8, 240170160), (10, 192136128), (12, 160113440), (15, 128090752), (16, 120085080), (20, 96068064), (24, 80056720), (30, 64045376), (32, 60042540), (40, 48034032), (48, 40028360), (60, 32022688), (64, 30021270), (80, 24017016), (96, 20014180), (120, 16011344), (128, 15010635), (131, 14666880), (160, 12008508), (192, 10007090), (240, 8005672), (262, 7333440), (320, 6004254), (384, 5003545), (393, 4888960), (480, 4002836), (524, 3666720), (640, 3002127), (655, 2933376), (786, 2444480), (960, 2001418), (1048, 1833360), (1310, 1466688), (1572, 1222240), (1920, 1000709), (1965, 977792), (2096, 916680), (2620, 733344), (3144, 611120), (3930, 488896), (4192, 458340), (5240, 366672), (6288, 305560), (7639, 251520), (7860, 244448), (8384, 229170), (10480, 183336), (12576, 152780), (15278, 125760), (15720, 122224), (16768, 114585), (20960, 91668), (22917, 83840), (25152, 76390), (30556, 62880), (31440, 61112), (38195, 50304), (41920, 45834)]