161806680

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1259}}^1$

素因数の和:1303

約数の個数: 256

約数和(自身を含む): 653184000

約数和(自身を除く): 491377320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 27, 28, 30, 34, 35, 36, 40, 42, 45, 51, 54, 56, 60, 63, 68, 70, 72, 84, 85, 90, 102, 105, 108, 119, 120, 126, 135, 136, 140, 153, 168, 170, 180, 189, 204, 210, 216, 238, 252, 255, 270, 280, 306, 315, 340, 357, 360, 378, 408, 420, 459, 476, 504, 510, 540, 595, 612, 630, 680, 714, 756, 765, 840, 918, 945, 952, 1020, 1071, 1080, 1190, 1224, 1259, 1260, 1428, 1512, 1530, 1785, 1836, 1890, 2040, 2142, 2295, 2380, 2518, 2520, 2856, 3060, 3213, 3570, 3672, 3777, 3780, 4284, 4590, 4760, 5036, 5355, 6120, 6295, 6426, 7140, 7554, 7560, 8568, 8813, 9180, 10072, 10710, 11331, 12590, 12852, 14280, 15108, 16065, 17626, 18360, 18885, 21403, 21420, 22662, 25180, 25704, 26439, 30216, 32130, 33993, 35252, 37770, 42806, 42840, 44065, 45324, 50360, 52878, 56655, 64209, 64260, 67986, 70504, 75540, 79317, 85612, 88130, 90648, 105756, 107015, 113310, 128418, 128520, 132195, 135972, 149821, 151080, 158634, 169965, 171224, 176260, 192627, 211512, 214030, 226620, 237951, 256836, 264390, 271944, 299642, 317268, 321045, 339930, 352520, 385254, 396585, 428060, 449463, 453240, 475902, 513672, 528780, 577881, 599284, 634536, 642090, 679860, 749105, 770508, 793170, 856120, 898926, 951804, 963135, 1057560, 1155762, 1189755, 1198568, 1284180, 1348389, 1359720, 1498210, 1541016, 1586340, 1797852, 1903608, 1926270, 2247315, 2311524, 2379510, 2568360, 2696778, 2889405, 2996420, 3172680, 3595704, 3852540, 4045167, 4494630, 4623048, 4759020, 5393556, 5778810, 5992840, 6741945, 7705080, 8090334, 8989260, 9518040, 10787112, 11557620, 13483890, 16180668, 17978520, 20225835, 23115240, 26967780, 32361336, 40451670, 53935560, 80903340, 161806680]

約数ペア:

[(1, 161806680), (2, 80903340), (3, 53935560), (4, 40451670), (5, 32361336), (6, 26967780), (7, 23115240), (8, 20225835), (9, 17978520), (10, 16180668), (12, 13483890), (14, 11557620), (15, 10787112), (17, 9518040), (18, 8989260), (20, 8090334), (21, 7705080), (24, 6741945), (27, 5992840), (28, 5778810), (30, 5393556), (34, 4759020), (35, 4623048), (36, 4494630), (40, 4045167), (42, 3852540), (45, 3595704), (51, 3172680), (54, 2996420), (56, 2889405), (60, 2696778), (63, 2568360), (68, 2379510), (70, 2311524), (72, 2247315), (84, 1926270), (85, 1903608), (90, 1797852), (102, 1586340), (105, 1541016), (108, 1498210), (119, 1359720), (120, 1348389), (126, 1284180), (135, 1198568), (136, 1189755), (140, 1155762), (153, 1057560), (168, 963135), (170, 951804), (180, 898926), (189, 856120), (204, 793170), (210, 770508), (216, 749105), (238, 679860), (252, 642090), (255, 634536), (270, 599284), (280, 577881), (306, 528780), (315, 513672), (340, 475902), (357, 453240), (360, 449463), (378, 428060), (408, 396585), (420, 385254), (459, 352520), (476, 339930), (504, 321045), (510, 317268), (540, 299642), (595, 271944), (612, 264390), (630, 256836), (680, 237951), (714, 226620), (756, 214030), (765, 211512), (840, 192627), (918, 176260), (945, 171224), (952, 169965), (1020, 158634), (1071, 151080), (1080, 149821), (1190, 135972), (1224, 132195), (1259, 128520), (1260, 128418), (1428, 113310), (1512, 107015), (1530, 105756), (1785, 90648), (1836, 88130), (1890, 85612), (2040, 79317), (2142, 75540), (2295, 70504), (2380, 67986), (2518, 64260), (2520, 64209), (2856, 56655), (3060, 52878), (3213, 50360), (3570, 45324), (3672, 44065), (3777, 42840), (3780, 42806), (4284, 37770), (4590, 35252), (4760, 33993), (5036, 32130), (5355, 30216), (6120, 26439), (6295, 25704), (6426, 25180), (7140, 22662), (7554, 21420), (7560, 21403), (8568, 18885), (8813, 18360), (9180, 17626), (10072, 16065), (10710, 15108), (11331, 14280), (12590, 12852)]