217173420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:445

約数の個数: 192

約数和(自身を含む): 724953600

約数和(自身を除く): 507780180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 61, 76, 90, 95, 108, 114, 122, 135, 171, 180, 183, 190, 228, 244, 270, 285, 305, 342, 347, 366, 380, 513, 540, 549, 570, 610, 684, 694, 732, 855, 915, 1026, 1041, 1098, 1140, 1159, 1220, 1388, 1647, 1710, 1735, 1830, 2052, 2082, 2196, 2318, 2565, 2745, 3123, 3294, 3420, 3470, 3477, 3660, 4164, 4636, 5130, 5205, 5490, 5795, 6246, 6588, 6593, 6940, 6954, 8235, 9369, 10260, 10410, 10431, 10980, 11590, 12492, 13186, 13908, 15615, 16470, 17385, 18738, 19779, 20820, 20862, 21167, 23180, 26372, 31230, 31293, 32940, 32965, 34770, 37476, 39558, 41724, 42334, 46845, 52155, 59337, 62460, 62586, 63501, 65930, 69540, 79116, 84668, 93690, 98895, 104310, 105835, 118674, 125172, 127002, 131860, 156465, 178011, 187380, 190503, 197790, 208620, 211670, 237348, 254004, 296685, 312930, 317505, 356022, 381006, 395580, 402173, 423340, 571509, 593370, 625860, 635010, 712044, 762012, 804346, 890055, 952515, 1143018, 1186740, 1206519, 1270020, 1608692, 1780110, 1905030, 2010865, 2286036, 2413038, 2857545, 3560220, 3619557, 3810060, 4021730, 4826076, 5715090, 6032595, 7239114, 8043460, 10858671, 11430180, 12065190, 14478228, 18097785, 21717342, 24130380, 36195570, 43434684, 54293355, 72391140, 108586710, 217173420]

約数ペア:

[(1, 217173420), (2, 108586710), (3, 72391140), (4, 54293355), (5, 43434684), (6, 36195570), (9, 24130380), (10, 21717342), (12, 18097785), (15, 14478228), (18, 12065190), (19, 11430180), (20, 10858671), (27, 8043460), (30, 7239114), (36, 6032595), (38, 5715090), (45, 4826076), (54, 4021730), (57, 3810060), (60, 3619557), (61, 3560220), (76, 2857545), (90, 2413038), (95, 2286036), (108, 2010865), (114, 1905030), (122, 1780110), (135, 1608692), (171, 1270020), (180, 1206519), (183, 1186740), (190, 1143018), (228, 952515), (244, 890055), (270, 804346), (285, 762012), (305, 712044), (342, 635010), (347, 625860), (366, 593370), (380, 571509), (513, 423340), (540, 402173), (549, 395580), (570, 381006), (610, 356022), (684, 317505), (694, 312930), (732, 296685), (855, 254004), (915, 237348), (1026, 211670), (1041, 208620), (1098, 197790), (1140, 190503), (1159, 187380), (1220, 178011), (1388, 156465), (1647, 131860), (1710, 127002), (1735, 125172), (1830, 118674), (2052, 105835), (2082, 104310), (2196, 98895), (2318, 93690), (2565, 84668), (2745, 79116), (3123, 69540), (3294, 65930), (3420, 63501), (3470, 62586), (3477, 62460), (3660, 59337), (4164, 52155), (4636, 46845), (5130, 42334), (5205, 41724), (5490, 39558), (5795, 37476), (6246, 34770), (6588, 32965), (6593, 32940), (6940, 31293), (6954, 31230), (8235, 26372), (9369, 23180), (10260, 21167), (10410, 20862), (10431, 20820), (10980, 19779), (11590, 18738), (12492, 17385), (13186, 16470), (13908, 15615)]