128654640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:516

約数の個数: 240

約数和(自身を含む): 478415808

約数和(自身を除く): 349761168

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 23, 24, 30, 34, 36, 40, 45, 46, 48, 51, 60, 68, 69, 72, 80, 85, 90, 92, 102, 115, 120, 136, 138, 144, 153, 170, 180, 184, 204, 207, 230, 240, 255, 272, 276, 306, 340, 345, 360, 368, 391, 408, 414, 457, 460, 510, 552, 612, 680, 690, 720, 765, 782, 816, 828, 914, 920, 1020, 1035, 1104, 1173, 1224, 1360, 1371, 1380, 1530, 1564, 1656, 1828, 1840, 1955, 2040, 2070, 2285, 2346, 2448, 2742, 2760, 3060, 3128, 3312, 3519, 3656, 3910, 4080, 4113, 4140, 4570, 4692, 5484, 5520, 5865, 6120, 6256, 6855, 7038, 7312, 7769, 7820, 8226, 8280, 9140, 9384, 10511, 10968, 11730, 12240, 13710, 14076, 15538, 15640, 16452, 16560, 17595, 18280, 18768, 20565, 21022, 21936, 23307, 23460, 27420, 28152, 31076, 31280, 31533, 32904, 35190, 36560, 38845, 41130, 42044, 46614, 46920, 52555, 54840, 56304, 62152, 63066, 65808, 69921, 70380, 77690, 82260, 84088, 93228, 93840, 94599, 105110, 109680, 116535, 124304, 126132, 139842, 140760, 155380, 157665, 164520, 168176, 178687, 186456, 189198, 210220, 233070, 252264, 279684, 281520, 310760, 315330, 329040, 349605, 357374, 372912, 378396, 420440, 466140, 472995, 504528, 536061, 559368, 621520, 630660, 699210, 714748, 756792, 840880, 893435, 932280, 945990, 1072122, 1118736, 1261320, 1398420, 1429496, 1513584, 1608183, 1786870, 1864560, 1891980, 2144244, 2522640, 2680305, 2796840, 2858992, 3216366, 3573740, 3783960, 4288488, 5360610, 5593680, 6432732, 7147480, 7567920, 8040915, 8576976, 10721220, 12865464, 14294960, 16081830, 21442440, 25730928, 32163660, 42884880, 64327320, 128654640]

約数ペア:

[(1, 128654640), (2, 64327320), (3, 42884880), (4, 32163660), (5, 25730928), (6, 21442440), (8, 16081830), (9, 14294960), (10, 12865464), (12, 10721220), (15, 8576976), (16, 8040915), (17, 7567920), (18, 7147480), (20, 6432732), (23, 5593680), (24, 5360610), (30, 4288488), (34, 3783960), (36, 3573740), (40, 3216366), (45, 2858992), (46, 2796840), (48, 2680305), (51, 2522640), (60, 2144244), (68, 1891980), (69, 1864560), (72, 1786870), (80, 1608183), (85, 1513584), (90, 1429496), (92, 1398420), (102, 1261320), (115, 1118736), (120, 1072122), (136, 945990), (138, 932280), (144, 893435), (153, 840880), (170, 756792), (180, 714748), (184, 699210), (204, 630660), (207, 621520), (230, 559368), (240, 536061), (255, 504528), (272, 472995), (276, 466140), (306, 420440), (340, 378396), (345, 372912), (360, 357374), (368, 349605), (391, 329040), (408, 315330), (414, 310760), (457, 281520), (460, 279684), (510, 252264), (552, 233070), (612, 210220), (680, 189198), (690, 186456), (720, 178687), (765, 168176), (782, 164520), (816, 157665), (828, 155380), (914, 140760), (920, 139842), (1020, 126132), (1035, 124304), (1104, 116535), (1173, 109680), (1224, 105110), (1360, 94599), (1371, 93840), (1380, 93228), (1530, 84088), (1564, 82260), (1656, 77690), (1828, 70380), (1840, 69921), (1955, 65808), (2040, 63066), (2070, 62152), (2285, 56304), (2346, 54840), (2448, 52555), (2742, 46920), (2760, 46614), (3060, 42044), (3128, 41130), (3312, 38845), (3519, 36560), (3656, 35190), (3910, 32904), (4080, 31533), (4113, 31280), (4140, 31076), (4570, 28152), (4692, 27420), (5484, 23460), (5520, 23307), (5865, 21936), (6120, 21022), (6256, 20565), (6855, 18768), (7038, 18280), (7312, 17595), (7769, 16560), (7820, 16452), (8226, 15640), (8280, 15538), (9140, 14076), (9384, 13710), (10511, 12240), (10968, 11730)]