178759980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1$

素因数の和:194

約数の個数: 288

約数和(自身を含む): 675924480

約数和(自身を除く): 497164500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 84, 90, 95, 105, 108, 114, 126, 131, 133, 135, 140, 171, 180, 189, 190, 210, 228, 252, 262, 266, 270, 285, 315, 342, 361, 378, 380, 393, 399, 420, 513, 524, 532, 540, 570, 630, 655, 665, 684, 722, 756, 786, 798, 855, 917, 945, 1026, 1083, 1140, 1179, 1197, 1260, 1310, 1330, 1444, 1572, 1596, 1710, 1805, 1834, 1890, 1965, 1995, 2052, 2166, 2358, 2394, 2489, 2527, 2565, 2620, 2660, 2751, 3249, 3420, 3537, 3591, 3610, 3668, 3780, 3930, 3990, 4332, 4585, 4716, 4788, 4978, 5054, 5130, 5415, 5502, 5895, 5985, 6498, 7074, 7182, 7220, 7467, 7581, 7860, 7980, 8253, 9170, 9747, 9956, 10108, 10260, 10830, 11004, 11790, 11970, 12445, 12635, 12996, 13755, 14148, 14364, 14934, 15162, 16245, 16506, 17423, 17685, 17955, 18340, 19494, 21660, 22401, 22743, 23580, 23940, 24759, 24890, 25270, 27510, 29868, 30324, 32490, 33012, 34846, 35370, 35910, 37335, 37905, 38988, 41265, 44802, 45486, 47291, 48735, 49518, 49780, 50540, 52269, 55020, 64980, 67203, 68229, 69692, 70740, 71820, 74670, 75810, 82530, 87115, 89604, 90972, 94582, 97470, 99036, 104538, 112005, 113715, 123795, 134406, 136458, 141873, 149340, 151620, 156807, 165060, 174230, 189164, 194940, 209076, 224010, 227430, 236455, 247590, 261345, 268812, 272916, 283746, 313614, 331037, 336015, 341145, 348460, 425619, 448020, 454860, 470421, 472910, 495180, 522690, 567492, 627228, 662074, 672030, 682290, 709365, 784035, 851238, 940842, 945820, 993111, 1045380, 1276857, 1324148, 1344060, 1364580, 1418730, 1568070, 1655185, 1702476, 1881684, 1986222, 2128095, 2352105, 2553714, 2837460, 2979333, 3136140, 3310370, 3972444, 4256190, 4704210, 4965555, 5107428, 5958666, 6384285, 6620740, 8512380, 8937999, 9408420, 9931110, 11917332, 12768570, 14896665, 17875998, 19862220, 25537140, 29793330, 35751996, 44689995, 59586660, 89379990, 178759980]

約数ペア:

[(1, 178759980), (2, 89379990), (3, 59586660), (4, 44689995), (5, 35751996), (6, 29793330), (7, 25537140), (9, 19862220), (10, 17875998), (12, 14896665), (14, 12768570), (15, 11917332), (18, 9931110), (19, 9408420), (20, 8937999), (21, 8512380), (27, 6620740), (28, 6384285), (30, 5958666), (35, 5107428), (36, 4965555), (38, 4704210), (42, 4256190), (45, 3972444), (54, 3310370), (57, 3136140), (60, 2979333), (63, 2837460), (70, 2553714), (76, 2352105), (84, 2128095), (90, 1986222), (95, 1881684), (105, 1702476), (108, 1655185), (114, 1568070), (126, 1418730), (131, 1364580), (133, 1344060), (135, 1324148), (140, 1276857), (171, 1045380), (180, 993111), (189, 945820), (190, 940842), (210, 851238), (228, 784035), (252, 709365), (262, 682290), (266, 672030), (270, 662074), (285, 627228), (315, 567492), (342, 522690), (361, 495180), (378, 472910), (380, 470421), (393, 454860), (399, 448020), (420, 425619), (513, 348460), (524, 341145), (532, 336015), (540, 331037), (570, 313614), (630, 283746), (655, 272916), (665, 268812), (684, 261345), (722, 247590), (756, 236455), (786, 227430), (798, 224010), (855, 209076), (917, 194940), (945, 189164), (1026, 174230), (1083, 165060), (1140, 156807), (1179, 151620), (1197, 149340), (1260, 141873), (1310, 136458), (1330, 134406), (1444, 123795), (1572, 113715), (1596, 112005), (1710, 104538), (1805, 99036), (1834, 97470), (1890, 94582), (1965, 90972), (1995, 89604), (2052, 87115), (2166, 82530), (2358, 75810), (2394, 74670), (2489, 71820), (2527, 70740), (2565, 69692), (2620, 68229), (2660, 67203), (2751, 64980), (3249, 55020), (3420, 52269), (3537, 50540), (3591, 49780), (3610, 49518), (3668, 48735), (3780, 47291), (3930, 45486), (3990, 44802), (4332, 41265), (4585, 38988), (4716, 37905), (4788, 37335), (4978, 35910), (5054, 35370), (5130, 34846), (5415, 33012), (5502, 32490), (5895, 30324), (5985, 29868), (6498, 27510), (7074, 25270), (7182, 24890), (7220, 24759), (7467, 23940), (7581, 23580), (7860, 22743), (7980, 22401), (8253, 21660), (9170, 19494), (9747, 18340), (9956, 17955), (10108, 17685), (10260, 17423), (10830, 16506), (11004, 16245), (11790, 15162), (11970, 14934), (12445, 14364), (12635, 14148), (12996, 13755)]