20161989840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1619}}^1\times {\mathrm{2731}}^1$

素因数の和:4385

約数の個数: 160

約数和(自身を含む): 65856499200

約数和(自身を除く): 45694509360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 1619, 2280, 2731, 3238, 4560, 4857, 5462, 6476, 8095, 8193, 9714, 10924, 12952, 13655, 16190, 16386, 19428, 21848, 24285, 25904, 27310, 30761, 32380, 32772, 38856, 40965, 43696, 48570, 51889, 54620, 61522, 64760, 65544, 77712, 81930, 92283, 97140, 103778, 109240, 123044, 129520, 131088, 153805, 155667, 163860, 184566, 194280, 207556, 218480, 246088, 259445, 307610, 311334, 327720, 369132, 388560, 415112, 461415, 492176, 518890, 615220, 622668, 655440, 738264, 778335, 830224, 922830, 1037780, 1230440, 1245336, 1476528, 1556670, 1845660, 2075560, 2460880, 2490672, 3113340, 3691320, 4151120, 4421489, 6226680, 7382640, 8842978, 12453360, 13264467, 17685956, 22107445, 26528934, 35371912, 44214890, 53057868, 66322335, 70743824, 84008291, 88429780, 106115736, 132644670, 168016582, 176859560, 212231472, 252024873, 265289340, 336033164, 353719120, 420041455, 504049746, 530578680, 672066328, 840082910, 1008099492, 1061157360, 1260124365, 1344132656, 1680165820, 2016198984, 2520248730, 3360331640, 4032397968, 5040497460, 6720663280, 10080994920, 20161989840]

約数ペア:

[(1, 20161989840), (2, 10080994920), (3, 6720663280), (4, 5040497460), (5, 4032397968), (6, 3360331640), (8, 2520248730), (10, 2016198984), (12, 1680165820), (15, 1344132656), (16, 1260124365), (19, 1061157360), (20, 1008099492), (24, 840082910), (30, 672066328), (38, 530578680), (40, 504049746), (48, 420041455), (57, 353719120), (60, 336033164), (76, 265289340), (80, 252024873), (95, 212231472), (114, 176859560), (120, 168016582), (152, 132644670), (190, 106115736), (228, 88429780), (240, 84008291), (285, 70743824), (304, 66322335), (380, 53057868), (456, 44214890), (570, 35371912), (760, 26528934), (912, 22107445), (1140, 17685956), (1520, 13264467), (1619, 12453360), (2280, 8842978), (2731, 7382640), (3238, 6226680), (4560, 4421489), (4857, 4151120), (5462, 3691320), (6476, 3113340), (8095, 2490672), (8193, 2460880), (9714, 2075560), (10924, 1845660), (12952, 1556670), (13655, 1476528), (16190, 1245336), (16386, 1230440), (19428, 1037780), (21848, 922830), (24285, 830224), (25904, 778335), (27310, 738264), (30761, 655440), (32380, 622668), (32772, 615220), (38856, 518890), (40965, 492176), (43696, 461415), (48570, 415112), (51889, 388560), (54620, 369132), (61522, 327720), (64760, 311334), (65544, 307610), (77712, 259445), (81930, 246088), (92283, 218480), (97140, 207556), (103778, 194280), (109240, 184566), (123044, 163860), (129520, 155667), (131088, 153805)]