20179943280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{50683}}^1$

素因数の和:50788

約数の個数: 240

約数和(自身を含む): 78434503680

約数和(自身を除く): 58254560400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 79, 80, 84, 90, 105, 112, 120, 126, 140, 144, 158, 168, 180, 210, 237, 240, 252, 280, 315, 316, 336, 360, 395, 420, 474, 504, 553, 560, 630, 632, 711, 720, 790, 840, 948, 1008, 1106, 1185, 1260, 1264, 1422, 1580, 1659, 1680, 1896, 2212, 2370, 2520, 2765, 2844, 3160, 3318, 3555, 3792, 4424, 4740, 4977, 5040, 5530, 5688, 6320, 6636, 7110, 8295, 8848, 9480, 9954, 11060, 11376, 13272, 14220, 16590, 18960, 19908, 22120, 24885, 26544, 28440, 33180, 39816, 44240, 49770, 50683, 56880, 66360, 79632, 99540, 101366, 132720, 152049, 199080, 202732, 253415, 304098, 354781, 398160, 405464, 456147, 506830, 608196, 709562, 760245, 810928, 912294, 1013660, 1064343, 1216392, 1419124, 1520490, 1773905, 1824588, 2027320, 2128686, 2280735, 2432784, 2838248, 3040980, 3193029, 3547810, 3649176, 4003957, 4054640, 4257372, 4561470, 5321715, 5676496, 6081960, 6386058, 7095620, 7298352, 8007914, 8514744, 9122940, 10643430, 12011871, 12163920, 12772116, 14191240, 15965145, 16015828, 17029488, 18245880, 20019785, 21286860, 24023742, 25544232, 28027699, 28382480, 31930290, 32031656, 36035613, 36491760, 40039570, 42573720, 48047484, 51088464, 56055398, 60059355, 63860580, 64063312, 72071226, 80079140, 84083097, 85147440, 96094968, 112110796, 120118710, 127721160, 140138495, 144142452, 160158280, 168166194, 180178065, 192189936, 224221592, 240237420, 252249291, 255442320, 280276990, 288284904, 320316560, 336332388, 360356130, 420415485, 448443184, 480474840, 504498582, 560553980, 576569808, 672664776, 720712260, 840830970, 960949680, 1008997164, 1121107960, 1261246455, 1345329552, 1441424520, 1681661940, 2017994328, 2242215920, 2522492910, 2882849040, 3363323880, 4035988656, 5044985820, 6726647760, 10089971640, 20179943280]

約数ペア:

[(1, 20179943280), (2, 10089971640), (3, 6726647760), (4, 5044985820), (5, 4035988656), (6, 3363323880), (7, 2882849040), (8, 2522492910), (9, 2242215920), (10, 2017994328), (12, 1681661940), (14, 1441424520), (15, 1345329552), (16, 1261246455), (18, 1121107960), (20, 1008997164), (21, 960949680), (24, 840830970), (28, 720712260), (30, 672664776), (35, 576569808), (36, 560553980), (40, 504498582), (42, 480474840), (45, 448443184), (48, 420415485), (56, 360356130), (60, 336332388), (63, 320316560), (70, 288284904), (72, 280276990), (79, 255442320), (80, 252249291), (84, 240237420), (90, 224221592), (105, 192189936), (112, 180178065), (120, 168166194), (126, 160158280), (140, 144142452), (144, 140138495), (158, 127721160), (168, 120118710), (180, 112110796), (210, 96094968), (237, 85147440), (240, 84083097), (252, 80079140), (280, 72071226), (315, 64063312), (316, 63860580), (336, 60059355), (360, 56055398), (395, 51088464), (420, 48047484), (474, 42573720), (504, 40039570), (553, 36491760), (560, 36035613), (630, 32031656), (632, 31930290), (711, 28382480), (720, 28027699), (790, 25544232), (840, 24023742), (948, 21286860), (1008, 20019785), (1106, 18245880), (1185, 17029488), (1260, 16015828), (1264, 15965145), (1422, 14191240), (1580, 12772116), (1659, 12163920), (1680, 12011871), (1896, 10643430), (2212, 9122940), (2370, 8514744), (2520, 8007914), (2765, 7298352), (2844, 7095620), (3160, 6386058), (3318, 6081960), (3555, 5676496), (3792, 5321715), (4424, 4561470), (4740, 4257372), (4977, 4054640), (5040, 4003957), (5530, 3649176), (5688, 3547810), (6320, 3193029), (6636, 3040980), (7110, 2838248), (8295, 2432784), (8848, 2280735), (9480, 2128686), (9954, 2027320), (11060, 1824588), (11376, 1773905), (13272, 1520490), (14220, 1419124), (16590, 1216392), (18960, 1064343), (19908, 1013660), (22120, 912294), (24885, 810928), (26544, 760245), (28440, 709562), (33180, 608196), (39816, 506830), (44240, 456147), (49770, 405464), (50683, 398160), (56880, 354781), (66360, 304098), (79632, 253415), (99540, 202732), (101366, 199080), (132720, 152049)]