19681444080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{563}}^1\times {\mathrm{2111}}^1$

素因数の和:2716

約数の個数: 240

約数和(自身を含む): 69125861376

約数和(自身を除く): 49444417296

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 563, 690, 720, 828, 920, 1035, 1104, 1126, 1380, 1656, 1689, 1840, 2070, 2111, 2252, 2760, 2815, 3312, 3378, 4140, 4222, 4504, 5067, 5520, 5630, 6333, 6756, 8280, 8444, 8445, 9008, 10134, 10555, 11260, 12666, 12949, 13512, 16560, 16888, 16890, 18999, 20268, 21110, 22520, 25332, 25335, 25898, 27024, 31665, 33776, 33780, 37998, 38847, 40536, 42220, 45040, 48553, 50664, 50670, 51796, 63330, 64745, 67560, 75996, 77694, 81072, 84440, 94995, 97106, 101328, 101340, 103592, 116541, 126660, 129490, 135120, 145659, 151992, 155388, 168880, 189990, 194212, 194235, 202680, 207184, 233082, 242765, 253320, 258980, 291318, 303984, 310776, 379980, 388424, 388470, 405360, 436977, 466164, 485530, 506640, 517960, 582636, 582705, 621552, 728295, 759960, 776848, 776940, 873954, 932328, 971060, 1035920, 1165272, 1165410, 1188493, 1456590, 1519920, 1553880, 1747908, 1864656, 1942120, 2184885, 2330544, 2330820, 2376986, 2913180, 3107760, 3495816, 3565479, 3884240, 4369770, 4661640, 4753972, 5826360, 5942465, 6991632, 7130958, 8739540, 9323280, 9507944, 10696437, 11652720, 11884930, 14261916, 17479080, 17827395, 19015888, 21392874, 23769860, 27335339, 28523832, 34958160, 35654790, 42785748, 47539720, 53482185, 54670678, 57047664, 71309580, 82006017, 85571496, 95079440, 106964370, 109341356, 136676695, 142619160, 164012034, 171142992, 213928740, 218682712, 246018051, 273353390, 285238320, 328024068, 410030085, 427857480, 437365424, 492036102, 546706780, 656048136, 820060170, 855714960, 984072204, 1093413560, 1230090255, 1312096272, 1640120340, 1968144408, 2186827120, 2460180510, 3280240680, 3936288816, 4920361020, 6560481360, 9840722040, 19681444080]

約数ペア:

[(1, 19681444080), (2, 9840722040), (3, 6560481360), (4, 4920361020), (5, 3936288816), (6, 3280240680), (8, 2460180510), (9, 2186827120), (10, 1968144408), (12, 1640120340), (15, 1312096272), (16, 1230090255), (18, 1093413560), (20, 984072204), (23, 855714960), (24, 820060170), (30, 656048136), (36, 546706780), (40, 492036102), (45, 437365424), (46, 427857480), (48, 410030085), (60, 328024068), (69, 285238320), (72, 273353390), (80, 246018051), (90, 218682712), (92, 213928740), (115, 171142992), (120, 164012034), (138, 142619160), (144, 136676695), (180, 109341356), (184, 106964370), (207, 95079440), (230, 85571496), (240, 82006017), (276, 71309580), (345, 57047664), (360, 54670678), (368, 53482185), (414, 47539720), (460, 42785748), (552, 35654790), (563, 34958160), (690, 28523832), (720, 27335339), (828, 23769860), (920, 21392874), (1035, 19015888), (1104, 17827395), (1126, 17479080), (1380, 14261916), (1656, 11884930), (1689, 11652720), (1840, 10696437), (2070, 9507944), (2111, 9323280), (2252, 8739540), (2760, 7130958), (2815, 6991632), (3312, 5942465), (3378, 5826360), (4140, 4753972), (4222, 4661640), (4504, 4369770), (5067, 3884240), (5520, 3565479), (5630, 3495816), (6333, 3107760), (6756, 2913180), (8280, 2376986), (8444, 2330820), (8445, 2330544), (9008, 2184885), (10134, 1942120), (10555, 1864656), (11260, 1747908), (12666, 1553880), (12949, 1519920), (13512, 1456590), (16560, 1188493), (16888, 1165410), (16890, 1165272), (18999, 1035920), (20268, 971060), (21110, 932328), (22520, 873954), (25332, 776940), (25335, 776848), (25898, 759960), (27024, 728295), (31665, 621552), (33776, 582705), (33780, 582636), (37998, 517960), (38847, 506640), (40536, 485530), (42220, 466164), (45040, 436977), (48553, 405360), (50664, 388470), (50670, 388424), (51796, 379980), (63330, 310776), (64745, 303984), (67560, 291318), (75996, 258980), (77694, 253320), (81072, 242765), (84440, 233082), (94995, 207184), (97106, 202680), (101328, 194235), (101340, 194212), (103592, 189990), (116541, 168880), (126660, 155388), (129490, 151992), (135120, 145659)]