82880980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:186

約数の個数: 144

約数和(自身を含む): 224308224

約数和(自身を除く): 141427244

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 113, 124, 130, 140, 155, 169, 182, 217, 226, 260, 310, 338, 364, 403, 434, 452, 455, 565, 620, 676, 791, 806, 845, 868, 910, 1085, 1130, 1183, 1469, 1582, 1612, 1690, 1820, 2015, 2170, 2260, 2366, 2821, 2938, 3164, 3380, 3503, 3955, 4030, 4340, 4732, 5239, 5642, 5876, 5915, 7006, 7345, 7910, 8060, 10283, 10478, 11284, 11830, 14012, 14105, 14690, 15820, 17515, 19097, 20566, 20956, 23660, 24521, 26195, 28210, 29380, 35030, 36673, 38194, 41132, 45539, 49042, 51415, 52390, 56420, 70060, 73346, 76388, 91078, 95485, 98084, 102830, 104780, 122605, 133679, 146692, 182156, 183365, 190970, 205660, 227695, 245210, 267358, 318773, 366730, 381940, 455390, 490420, 534716, 592007, 637546, 668395, 733460, 910780, 1184014, 1275092, 1336790, 1593865, 2368028, 2673580, 2960035, 3187730, 4144049, 5920070, 6375460, 8288098, 11840140, 16576196, 20720245, 41440490, 82880980]

約数ペア:

[(1, 82880980), (2, 41440490), (4, 20720245), (5, 16576196), (7, 11840140), (10, 8288098), (13, 6375460), (14, 5920070), (20, 4144049), (26, 3187730), (28, 2960035), (31, 2673580), (35, 2368028), (52, 1593865), (62, 1336790), (65, 1275092), (70, 1184014), (91, 910780), (113, 733460), (124, 668395), (130, 637546), (140, 592007), (155, 534716), (169, 490420), (182, 455390), (217, 381940), (226, 366730), (260, 318773), (310, 267358), (338, 245210), (364, 227695), (403, 205660), (434, 190970), (452, 183365), (455, 182156), (565, 146692), (620, 133679), (676, 122605), (791, 104780), (806, 102830), (845, 98084), (868, 95485), (910, 91078), (1085, 76388), (1130, 73346), (1183, 70060), (1469, 56420), (1582, 52390), (1612, 51415), (1690, 49042), (1820, 45539), (2015, 41132), (2170, 38194), (2260, 36673), (2366, 35030), (2821, 29380), (2938, 28210), (3164, 26195), (3380, 24521), (3503, 23660), (3955, 20956), (4030, 20566), (4340, 19097), (4732, 17515), (5239, 15820), (5642, 14690), (5876, 14105), (5915, 14012), (7006, 11830), (7345, 11284), (7910, 10478), (8060, 10283)]