169981980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:241

約数の個数: 288

約数和(自身を含む): 620524800

約数和(自身を除く): 450542820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 19, 20, 21, 28, 30, 34, 35, 38, 42, 49, 51, 57, 60, 68, 70, 76, 84, 85, 95, 98, 102, 105, 114, 119, 133, 140, 147, 170, 179, 190, 196, 204, 210, 228, 238, 245, 255, 266, 285, 294, 323, 340, 357, 358, 380, 399, 420, 476, 490, 510, 532, 537, 570, 588, 595, 646, 665, 714, 716, 735, 798, 833, 895, 931, 969, 980, 1020, 1074, 1140, 1190, 1253, 1292, 1330, 1428, 1470, 1596, 1615, 1666, 1785, 1790, 1862, 1938, 1995, 2148, 2261, 2380, 2499, 2506, 2660, 2685, 2793, 2940, 3043, 3230, 3332, 3401, 3570, 3580, 3724, 3759, 3876, 3990, 4165, 4522, 4655, 4845, 4998, 5012, 5370, 5586, 6086, 6265, 6460, 6783, 6802, 7140, 7518, 7980, 8330, 8771, 9044, 9129, 9310, 9690, 9996, 10203, 10740, 11172, 11305, 12172, 12495, 12530, 13566, 13604, 13965, 15036, 15215, 15827, 16660, 17005, 17542, 18258, 18620, 18795, 19380, 20406, 21301, 22610, 23807, 24990, 25060, 26313, 27132, 27930, 30430, 31654, 33915, 34010, 35084, 36516, 37590, 40812, 42602, 43855, 45220, 45645, 47481, 47614, 49980, 51015, 52626, 55860, 57817, 60860, 63308, 63903, 67830, 68020, 71421, 75180, 79135, 85204, 87710, 91290, 94962, 95228, 102030, 105252, 106505, 115634, 119035, 127806, 131565, 135660, 142842, 149107, 158270, 166649, 173451, 175420, 182580, 189924, 204060, 213010, 231268, 237405, 238070, 255612, 263130, 285684, 289085, 298214, 316540, 319515, 333298, 346902, 357105, 404719, 426020, 447321, 474810, 476140, 499947, 526260, 578170, 596428, 639030, 666596, 693804, 714210, 745535, 809438, 833245, 867255, 894642, 949620, 999894, 1156340, 1214157, 1278060, 1428420, 1491070, 1618876, 1666490, 1734510, 1789284, 1999788, 2023595, 2236605, 2428314, 2499735, 2833033, 2982140, 3332980, 3469020, 4047190, 4473210, 4856628, 4999470, 5666066, 6070785, 8094380, 8499099, 8946420, 9998940, 11332132, 12141570, 14165165, 16998198, 24283140, 28330330, 33996396, 42495495, 56660660, 84990990, 169981980]

約数ペア:

[(1, 169981980), (2, 84990990), (3, 56660660), (4, 42495495), (5, 33996396), (6, 28330330), (7, 24283140), (10, 16998198), (12, 14165165), (14, 12141570), (15, 11332132), (17, 9998940), (19, 8946420), (20, 8499099), (21, 8094380), (28, 6070785), (30, 5666066), (34, 4999470), (35, 4856628), (38, 4473210), (42, 4047190), (49, 3469020), (51, 3332980), (57, 2982140), (60, 2833033), (68, 2499735), (70, 2428314), (76, 2236605), (84, 2023595), (85, 1999788), (95, 1789284), (98, 1734510), (102, 1666490), (105, 1618876), (114, 1491070), (119, 1428420), (133, 1278060), (140, 1214157), (147, 1156340), (170, 999894), (179, 949620), (190, 894642), (196, 867255), (204, 833245), (210, 809438), (228, 745535), (238, 714210), (245, 693804), (255, 666596), (266, 639030), (285, 596428), (294, 578170), (323, 526260), (340, 499947), (357, 476140), (358, 474810), (380, 447321), (399, 426020), (420, 404719), (476, 357105), (490, 346902), (510, 333298), (532, 319515), (537, 316540), (570, 298214), (588, 289085), (595, 285684), (646, 263130), (665, 255612), (714, 238070), (716, 237405), (735, 231268), (798, 213010), (833, 204060), (895, 189924), (931, 182580), (969, 175420), (980, 173451), (1020, 166649), (1074, 158270), (1140, 149107), (1190, 142842), (1253, 135660), (1292, 131565), (1330, 127806), (1428, 119035), (1470, 115634), (1596, 106505), (1615, 105252), (1666, 102030), (1785, 95228), (1790, 94962), (1862, 91290), (1938, 87710), (1995, 85204), (2148, 79135), (2261, 75180), (2380, 71421), (2499, 68020), (2506, 67830), (2660, 63903), (2685, 63308), (2793, 60860), (2940, 57817), (3043, 55860), (3230, 52626), (3332, 51015), (3401, 49980), (3570, 47614), (3580, 47481), (3724, 45645), (3759, 45220), (3876, 43855), (3990, 42602), (4165, 40812), (4522, 37590), (4655, 36516), (4845, 35084), (4998, 34010), (5012, 33915), (5370, 31654), (5586, 30430), (6086, 27930), (6265, 27132), (6460, 26313), (6783, 25060), (6802, 24990), (7140, 23807), (7518, 22610), (7980, 21301), (8330, 20406), (8771, 19380), (9044, 18795), (9129, 18620), (9310, 18258), (9690, 17542), (9996, 17005), (10203, 16660), (10740, 15827), (11172, 15215), (11305, 15036), (12172, 13965), (12495, 13604), (12530, 13566)]