28910727720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{370081}}^1$

素因数の和:370136

約数の個数: 192

約数和(自身を含む): 110846960640

約数和(自身を除く): 81936232920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 120, 124, 126, 140, 155, 168, 180, 186, 210, 217, 248, 252, 279, 280, 310, 315, 360, 372, 420, 434, 465, 504, 558, 620, 630, 651, 744, 840, 868, 930, 1085, 1116, 1240, 1260, 1302, 1395, 1736, 1860, 1953, 2170, 2232, 2520, 2604, 2790, 3255, 3720, 3906, 4340, 5208, 5580, 6510, 7812, 8680, 9765, 11160, 13020, 15624, 19530, 26040, 39060, 78120, 370081, 740162, 1110243, 1480324, 1850405, 2220486, 2590567, 2960648, 3330729, 3700810, 4440972, 5181134, 5551215, 6661458, 7401620, 7771701, 8881944, 10362268, 11102430, 11472511, 12952835, 13322916, 14803240, 15543402, 16653645, 20724536, 22204860, 22945022, 23315103, 25905670, 26645832, 31086804, 33307290, 34417533, 38858505, 44409720, 45890044, 46630206, 51811340, 57362555, 62173608, 66614580, 68835066, 77717010, 80307577, 91780088, 93260412, 103252599, 103622680, 114725110, 116575515, 133229160, 137670132, 155434020, 160615154, 172087665, 186520824, 206505198, 229450220, 233151030, 240922731, 275340264, 310868040, 321230308, 344175330, 401537885, 413010396, 458900440, 466302060, 481845462, 516262995, 642460616, 688350660, 722768193, 803075770, 826020792, 932604120, 963690924, 1032525990, 1204613655, 1376701320, 1445536386, 1606151540, 1927381848, 2065051980, 2409227310, 2891072772, 3212303080, 3613840965, 4130103960, 4818454620, 5782145544, 7227681930, 9636909240, 14455363860, 28910727720]

約数ペア:

[(1, 28910727720), (2, 14455363860), (3, 9636909240), (4, 7227681930), (5, 5782145544), (6, 4818454620), (7, 4130103960), (8, 3613840965), (9, 3212303080), (10, 2891072772), (12, 2409227310), (14, 2065051980), (15, 1927381848), (18, 1606151540), (20, 1445536386), (21, 1376701320), (24, 1204613655), (28, 1032525990), (30, 963690924), (31, 932604120), (35, 826020792), (36, 803075770), (40, 722768193), (42, 688350660), (45, 642460616), (56, 516262995), (60, 481845462), (62, 466302060), (63, 458900440), (70, 413010396), (72, 401537885), (84, 344175330), (90, 321230308), (93, 310868040), (105, 275340264), (120, 240922731), (124, 233151030), (126, 229450220), (140, 206505198), (155, 186520824), (168, 172087665), (180, 160615154), (186, 155434020), (210, 137670132), (217, 133229160), (248, 116575515), (252, 114725110), (279, 103622680), (280, 103252599), (310, 93260412), (315, 91780088), (360, 80307577), (372, 77717010), (420, 68835066), (434, 66614580), (465, 62173608), (504, 57362555), (558, 51811340), (620, 46630206), (630, 45890044), (651, 44409720), (744, 38858505), (840, 34417533), (868, 33307290), (930, 31086804), (1085, 26645832), (1116, 25905670), (1240, 23315103), (1260, 22945022), (1302, 22204860), (1395, 20724536), (1736, 16653645), (1860, 15543402), (1953, 14803240), (2170, 13322916), (2232, 12952835), (2520, 11472511), (2604, 11102430), (2790, 10362268), (3255, 8881944), (3720, 7771701), (3906, 7401620), (4340, 6661458), (5208, 5551215), (5580, 5181134), (6510, 4440972), (7812, 3700810), (8680, 3330729), (9765, 2960648), (11160, 2590567), (13020, 2220486), (15624, 1850405), (19530, 1480324), (26040, 1110243), (39060, 740162), (78120, 370081)]