161903700

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{829}}^1$

素因数の和:887

約数の個数: 216

約数和(自身を含む): 599406080

約数和(自身を除く): 437502380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 31, 35, 36, 42, 45, 50, 60, 62, 63, 70, 75, 84, 90, 93, 100, 105, 124, 126, 140, 150, 155, 175, 180, 186, 210, 217, 225, 252, 279, 300, 310, 315, 350, 372, 420, 434, 450, 465, 525, 558, 620, 630, 651, 700, 775, 829, 868, 900, 930, 1050, 1085, 1116, 1260, 1302, 1395, 1550, 1575, 1658, 1860, 1953, 2100, 2170, 2325, 2487, 2604, 2790, 3100, 3150, 3255, 3316, 3906, 4145, 4340, 4650, 4974, 5425, 5580, 5803, 6300, 6510, 6975, 7461, 7812, 8290, 9300, 9765, 9948, 10850, 11606, 12435, 13020, 13950, 14922, 16275, 16580, 17409, 19530, 20725, 21700, 23212, 24870, 25699, 27900, 29015, 29844, 32550, 34818, 37305, 39060, 41450, 48825, 49740, 51398, 52227, 58030, 62175, 65100, 69636, 74610, 77097, 82900, 87045, 97650, 102796, 104454, 116060, 124350, 128495, 145075, 149220, 154194, 174090, 179893, 186525, 195300, 208908, 231291, 248700, 256990, 261135, 290150, 308388, 348180, 359786, 373050, 385485, 435225, 462582, 513980, 522270, 539679, 580300, 642475, 719572, 746100, 770970, 870450, 899465, 925164, 1044540, 1079358, 1156455, 1284950, 1305675, 1541940, 1619037, 1740900, 1798930, 1927425, 2158716, 2312910, 2569900, 2611350, 2698395, 3238074, 3597860, 3854850, 4497325, 4625820, 5222700, 5396790, 5782275, 6476148, 7709700, 8095185, 8994650, 10793580, 11564550, 13491975, 16190370, 17989300, 23129100, 26983950, 32380740, 40475925, 53967900, 80951850, 161903700]

約数ペア:

[(1, 161903700), (2, 80951850), (3, 53967900), (4, 40475925), (5, 32380740), (6, 26983950), (7, 23129100), (9, 17989300), (10, 16190370), (12, 13491975), (14, 11564550), (15, 10793580), (18, 8994650), (20, 8095185), (21, 7709700), (25, 6476148), (28, 5782275), (30, 5396790), (31, 5222700), (35, 4625820), (36, 4497325), (42, 3854850), (45, 3597860), (50, 3238074), (60, 2698395), (62, 2611350), (63, 2569900), (70, 2312910), (75, 2158716), (84, 1927425), (90, 1798930), (93, 1740900), (100, 1619037), (105, 1541940), (124, 1305675), (126, 1284950), (140, 1156455), (150, 1079358), (155, 1044540), (175, 925164), (180, 899465), (186, 870450), (210, 770970), (217, 746100), (225, 719572), (252, 642475), (279, 580300), (300, 539679), (310, 522270), (315, 513980), (350, 462582), (372, 435225), (420, 385485), (434, 373050), (450, 359786), (465, 348180), (525, 308388), (558, 290150), (620, 261135), (630, 256990), (651, 248700), (700, 231291), (775, 208908), (829, 195300), (868, 186525), (900, 179893), (930, 174090), (1050, 154194), (1085, 149220), (1116, 145075), (1260, 128495), (1302, 124350), (1395, 116060), (1550, 104454), (1575, 102796), (1658, 97650), (1860, 87045), (1953, 82900), (2100, 77097), (2170, 74610), (2325, 69636), (2487, 65100), (2604, 62175), (2790, 58030), (3100, 52227), (3150, 51398), (3255, 49740), (3316, 48825), (3906, 41450), (4145, 39060), (4340, 37305), (4650, 34818), (4974, 32550), (5425, 29844), (5580, 29015), (5803, 27900), (6300, 25699), (6510, 24870), (6975, 23212), (7461, 21700), (7812, 20725), (8290, 19530), (9300, 17409), (9765, 16580), (9948, 16275), (10850, 14922), (11606, 13950), (12435, 13020)]