128458440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{983}}^1$

素因数の和:1025

約数の個数: 192

約数和(自身を含む): 471139200

約数和(自身を除く): 342680760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 121, 132, 135, 165, 180, 198, 216, 220, 242, 264, 270, 297, 330, 360, 363, 396, 440, 484, 495, 540, 594, 605, 660, 726, 792, 968, 983, 990, 1080, 1089, 1188, 1210, 1320, 1452, 1485, 1815, 1966, 1980, 2178, 2376, 2420, 2904, 2949, 2970, 3267, 3630, 3932, 3960, 4356, 4840, 4915, 5445, 5898, 5940, 6534, 7260, 7864, 8712, 8847, 9830, 10813, 10890, 11796, 11880, 13068, 14520, 14745, 16335, 17694, 19660, 21626, 21780, 23592, 26136, 26541, 29490, 32439, 32670, 35388, 39320, 43252, 43560, 44235, 53082, 54065, 58980, 64878, 65340, 70776, 86504, 88470, 97317, 106164, 108130, 117960, 118943, 129756, 130680, 132705, 162195, 176940, 194634, 212328, 216260, 237886, 259512, 265410, 291951, 324390, 353880, 356829, 389268, 432520, 475772, 486585, 530820, 583902, 594715, 648780, 713658, 778536, 951544, 973170, 1061640, 1070487, 1167804, 1189430, 1297560, 1427316, 1459755, 1784145, 1946340, 2140974, 2335608, 2378860, 2854632, 2919510, 3211461, 3568290, 3892680, 4281948, 4757720, 5352435, 5839020, 6422922, 7136580, 8563896, 10704870, 11678040, 12845844, 14273160, 16057305, 21409740, 25691688, 32114610, 42819480, 64229220, 128458440]

約数ペア:

[(1, 128458440), (2, 64229220), (3, 42819480), (4, 32114610), (5, 25691688), (6, 21409740), (8, 16057305), (9, 14273160), (10, 12845844), (11, 11678040), (12, 10704870), (15, 8563896), (18, 7136580), (20, 6422922), (22, 5839020), (24, 5352435), (27, 4757720), (30, 4281948), (33, 3892680), (36, 3568290), (40, 3211461), (44, 2919510), (45, 2854632), (54, 2378860), (55, 2335608), (60, 2140974), (66, 1946340), (72, 1784145), (88, 1459755), (90, 1427316), (99, 1297560), (108, 1189430), (110, 1167804), (120, 1070487), (121, 1061640), (132, 973170), (135, 951544), (165, 778536), (180, 713658), (198, 648780), (216, 594715), (220, 583902), (242, 530820), (264, 486585), (270, 475772), (297, 432520), (330, 389268), (360, 356829), (363, 353880), (396, 324390), (440, 291951), (484, 265410), (495, 259512), (540, 237886), (594, 216260), (605, 212328), (660, 194634), (726, 176940), (792, 162195), (968, 132705), (983, 130680), (990, 129756), (1080, 118943), (1089, 117960), (1188, 108130), (1210, 106164), (1320, 97317), (1452, 88470), (1485, 86504), (1815, 70776), (1966, 65340), (1980, 64878), (2178, 58980), (2376, 54065), (2420, 53082), (2904, 44235), (2949, 43560), (2970, 43252), (3267, 39320), (3630, 35388), (3932, 32670), (3960, 32439), (4356, 29490), (4840, 26541), (4915, 26136), (5445, 23592), (5898, 21780), (5940, 21626), (6534, 19660), (7260, 17694), (7864, 16335), (8712, 14745), (8847, 14520), (9830, 13068), (10813, 11880), (10890, 11796)]