128187840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:291

約数の個数: 224

約数和(自身を含む): 453542400

約数和(自身を除く): 325354560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 61, 64, 66, 80, 88, 96, 110, 120, 122, 132, 160, 165, 176, 183, 192, 199, 220, 240, 244, 264, 305, 320, 330, 352, 366, 398, 440, 480, 488, 528, 597, 610, 660, 671, 704, 732, 796, 880, 915, 960, 976, 995, 1056, 1194, 1220, 1320, 1342, 1464, 1592, 1760, 1830, 1952, 1990, 2013, 2112, 2189, 2388, 2440, 2640, 2684, 2928, 2985, 3184, 3355, 3520, 3660, 3904, 3980, 4026, 4378, 4776, 4880, 5280, 5368, 5856, 5970, 6368, 6567, 6710, 7320, 7960, 8052, 8756, 9552, 9760, 10065, 10560, 10736, 10945, 11712, 11940, 12139, 12736, 13134, 13420, 14640, 15920, 16104, 17512, 19104, 19520, 20130, 21472, 21890, 23880, 24278, 26268, 26840, 29280, 31840, 32208, 32835, 35024, 36417, 38208, 40260, 42944, 43780, 47760, 48556, 52536, 53680, 58560, 60695, 63680, 64416, 65670, 70048, 72834, 80520, 87560, 95520, 97112, 105072, 107360, 121390, 128832, 131340, 133529, 140096, 145668, 161040, 175120, 182085, 191040, 194224, 210144, 214720, 242780, 262680, 267058, 291336, 322080, 350240, 364170, 388448, 400587, 420288, 485560, 525360, 534116, 582672, 644160, 667645, 700480, 728340, 776896, 801174, 971120, 1050720, 1068232, 1165344, 1335290, 1456680, 1602348, 1942240, 2002935, 2101440, 2136464, 2330688, 2670580, 2913360, 3204696, 3884480, 4005870, 4272928, 5341160, 5826720, 6409392, 8011740, 8545856, 10682320, 11653440, 12818784, 16023480, 21364640, 25637568, 32046960, 42729280, 64093920, 128187840]

約数ペア:

[(1, 128187840), (2, 64093920), (3, 42729280), (4, 32046960), (5, 25637568), (6, 21364640), (8, 16023480), (10, 12818784), (11, 11653440), (12, 10682320), (15, 8545856), (16, 8011740), (20, 6409392), (22, 5826720), (24, 5341160), (30, 4272928), (32, 4005870), (33, 3884480), (40, 3204696), (44, 2913360), (48, 2670580), (55, 2330688), (60, 2136464), (61, 2101440), (64, 2002935), (66, 1942240), (80, 1602348), (88, 1456680), (96, 1335290), (110, 1165344), (120, 1068232), (122, 1050720), (132, 971120), (160, 801174), (165, 776896), (176, 728340), (183, 700480), (192, 667645), (199, 644160), (220, 582672), (240, 534116), (244, 525360), (264, 485560), (305, 420288), (320, 400587), (330, 388448), (352, 364170), (366, 350240), (398, 322080), (440, 291336), (480, 267058), (488, 262680), (528, 242780), (597, 214720), (610, 210144), (660, 194224), (671, 191040), (704, 182085), (732, 175120), (796, 161040), (880, 145668), (915, 140096), (960, 133529), (976, 131340), (995, 128832), (1056, 121390), (1194, 107360), (1220, 105072), (1320, 97112), (1342, 95520), (1464, 87560), (1592, 80520), (1760, 72834), (1830, 70048), (1952, 65670), (1990, 64416), (2013, 63680), (2112, 60695), (2189, 58560), (2388, 53680), (2440, 52536), (2640, 48556), (2684, 47760), (2928, 43780), (2985, 42944), (3184, 40260), (3355, 38208), (3520, 36417), (3660, 35024), (3904, 32835), (3980, 32208), (4026, 31840), (4378, 29280), (4776, 26840), (4880, 26268), (5280, 24278), (5368, 23880), (5856, 21890), (5970, 21472), (6368, 20130), (6567, 19520), (6710, 19104), (7320, 17512), (7960, 16104), (8052, 15920), (8756, 14640), (9552, 13420), (9760, 13134), (10065, 12736), (10560, 12139), (10736, 11940), (10945, 11712)]