1231425720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8573}}^1$

素因数の和:8619

約数の個数: 256

約数和(自身を含む): 4938624000

約数和(自身を除く): 3707198280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 108, 114, 120, 126, 133, 135, 140, 152, 168, 171, 180, 189, 190, 210, 216, 228, 252, 266, 270, 280, 285, 315, 342, 360, 378, 380, 399, 420, 456, 504, 513, 532, 540, 570, 630, 665, 684, 756, 760, 798, 840, 855, 945, 1026, 1064, 1080, 1140, 1197, 1260, 1330, 1368, 1512, 1596, 1710, 1890, 1995, 2052, 2280, 2394, 2520, 2565, 2660, 3192, 3420, 3591, 3780, 3990, 4104, 4788, 5130, 5320, 5985, 6840, 7182, 7560, 7980, 8573, 9576, 10260, 11970, 14364, 15960, 17146, 17955, 20520, 23940, 25719, 28728, 34292, 35910, 42865, 47880, 51438, 60011, 68584, 71820, 77157, 85730, 102876, 120022, 128595, 143640, 154314, 162887, 171460, 180033, 205752, 231471, 240044, 257190, 300055, 308628, 325774, 342920, 360066, 385785, 462942, 480088, 488661, 514380, 540099, 600110, 617256, 651548, 720132, 771570, 814435, 900165, 925884, 977322, 1028760, 1080198, 1140209, 1157355, 1200220, 1303096, 1440264, 1465983, 1543140, 1620297, 1628870, 1800330, 1851768, 1954644, 2160396, 2280418, 2314710, 2400440, 2443305, 2700495, 2931966, 3086280, 3240594, 3257740, 3420627, 3600660, 3909288, 4320792, 4397949, 4560836, 4629420, 4886610, 5400990, 5701045, 5863932, 6481188, 6515480, 6841254, 7201320, 7329915, 8101485, 8795898, 9121672, 9258840, 9773220, 10261881, 10801980, 11402090, 11727864, 12962376, 13682508, 14659830, 16202970, 17103135, 17591796, 19546440, 20523762, 21603960, 21989745, 22804180, 27365016, 29319660, 30785643, 32405940, 34206270, 35183592, 41047524, 43979490, 45608360, 51309405, 58639320, 61571286, 64811880, 68412540, 82095048, 87958980, 102618810, 123142572, 136825080, 153928215, 175917960, 205237620, 246285144, 307856430, 410475240, 615712860, 1231425720]

約数ペア:

[(1, 1231425720), (2, 615712860), (3, 410475240), (4, 307856430), (5, 246285144), (6, 205237620), (7, 175917960), (8, 153928215), (9, 136825080), (10, 123142572), (12, 102618810), (14, 87958980), (15, 82095048), (18, 68412540), (19, 64811880), (20, 61571286), (21, 58639320), (24, 51309405), (27, 45608360), (28, 43979490), (30, 41047524), (35, 35183592), (36, 34206270), (38, 32405940), (40, 30785643), (42, 29319660), (45, 27365016), (54, 22804180), (56, 21989745), (57, 21603960), (60, 20523762), (63, 19546440), (70, 17591796), (72, 17103135), (76, 16202970), (84, 14659830), (90, 13682508), (95, 12962376), (105, 11727864), (108, 11402090), (114, 10801980), (120, 10261881), (126, 9773220), (133, 9258840), (135, 9121672), (140, 8795898), (152, 8101485), (168, 7329915), (171, 7201320), (180, 6841254), (189, 6515480), (190, 6481188), (210, 5863932), (216, 5701045), (228, 5400990), (252, 4886610), (266, 4629420), (270, 4560836), (280, 4397949), (285, 4320792), (315, 3909288), (342, 3600660), (360, 3420627), (378, 3257740), (380, 3240594), (399, 3086280), (420, 2931966), (456, 2700495), (504, 2443305), (513, 2400440), (532, 2314710), (540, 2280418), (570, 2160396), (630, 1954644), (665, 1851768), (684, 1800330), (756, 1628870), (760, 1620297), (798, 1543140), (840, 1465983), (855, 1440264), (945, 1303096), (1026, 1200220), (1064, 1157355), (1080, 1140209), (1140, 1080198), (1197, 1028760), (1260, 977322), (1330, 925884), (1368, 900165), (1512, 814435), (1596, 771570), (1710, 720132), (1890, 651548), (1995, 617256), (2052, 600110), (2280, 540099), (2394, 514380), (2520, 488661), (2565, 480088), (2660, 462942), (3192, 385785), (3420, 360066), (3591, 342920), (3780, 325774), (3990, 308628), (4104, 300055), (4788, 257190), (5130, 240044), (5320, 231471), (5985, 205752), (6840, 180033), (7182, 171460), (7560, 162887), (7980, 154314), (8573, 143640), (9576, 128595), (10260, 120022), (11970, 102876), (14364, 85730), (15960, 77157), (17146, 71820), (17955, 68584), (20520, 60011), (23940, 51438), (25719, 47880), (28728, 42865), (34292, 35910)]