128907240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1993}}^1$

素因数の和:2032

約数の個数: 192

約数和(自身を含む): 491002560

約数和(自身を除く): 362095320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 49, 55, 56, 60, 66, 70, 77, 84, 88, 98, 105, 110, 120, 132, 140, 147, 154, 165, 168, 196, 210, 220, 231, 245, 264, 280, 294, 308, 330, 385, 392, 420, 440, 462, 490, 539, 588, 616, 660, 735, 770, 840, 924, 980, 1078, 1155, 1176, 1320, 1470, 1540, 1617, 1848, 1960, 1993, 2156, 2310, 2695, 2940, 3080, 3234, 3986, 4312, 4620, 5390, 5880, 5979, 6468, 7972, 8085, 9240, 9965, 10780, 11958, 12936, 13951, 15944, 16170, 19930, 21560, 21923, 23916, 27902, 29895, 32340, 39860, 41853, 43846, 47832, 55804, 59790, 64680, 65769, 69755, 79720, 83706, 87692, 97657, 109615, 111608, 119580, 131538, 139510, 153461, 167412, 175384, 195314, 209265, 219230, 239160, 263076, 279020, 292971, 306922, 328845, 334824, 390628, 418530, 438460, 460383, 488285, 526152, 558040, 585942, 613844, 657690, 767305, 781256, 837060, 876920, 920766, 976570, 1074227, 1171884, 1227688, 1315380, 1464855, 1534610, 1674120, 1841532, 1953140, 2148454, 2301915, 2343768, 2630760, 2929710, 3069220, 3222681, 3683064, 3906280, 4296908, 4603830, 5371135, 5859420, 6138440, 6445362, 8593816, 9207660, 10742270, 11718840, 12890724, 16113405, 18415320, 21484540, 25781448, 32226810, 42969080, 64453620, 128907240]

約数ペア:

[(1, 128907240), (2, 64453620), (3, 42969080), (4, 32226810), (5, 25781448), (6, 21484540), (7, 18415320), (8, 16113405), (10, 12890724), (11, 11718840), (12, 10742270), (14, 9207660), (15, 8593816), (20, 6445362), (21, 6138440), (22, 5859420), (24, 5371135), (28, 4603830), (30, 4296908), (33, 3906280), (35, 3683064), (40, 3222681), (42, 3069220), (44, 2929710), (49, 2630760), (55, 2343768), (56, 2301915), (60, 2148454), (66, 1953140), (70, 1841532), (77, 1674120), (84, 1534610), (88, 1464855), (98, 1315380), (105, 1227688), (110, 1171884), (120, 1074227), (132, 976570), (140, 920766), (147, 876920), (154, 837060), (165, 781256), (168, 767305), (196, 657690), (210, 613844), (220, 585942), (231, 558040), (245, 526152), (264, 488285), (280, 460383), (294, 438460), (308, 418530), (330, 390628), (385, 334824), (392, 328845), (420, 306922), (440, 292971), (462, 279020), (490, 263076), (539, 239160), (588, 219230), (616, 209265), (660, 195314), (735, 175384), (770, 167412), (840, 153461), (924, 139510), (980, 131538), (1078, 119580), (1155, 111608), (1176, 109615), (1320, 97657), (1470, 87692), (1540, 83706), (1617, 79720), (1848, 69755), (1960, 65769), (1993, 64680), (2156, 59790), (2310, 55804), (2695, 47832), (2940, 43846), (3080, 41853), (3234, 39860), (3986, 32340), (4312, 29895), (4620, 27902), (5390, 23916), (5880, 21923), (5979, 21560), (6468, 19930), (7972, 16170), (8085, 15944), (9240, 13951), (9965, 12936), (10780, 11958)]