80318980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:389

約数の個数: 96

約数和(自身を含む): 202890240

約数和(自身を除く): 122571260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 73, 116, 140, 145, 146, 203, 271, 290, 292, 365, 406, 511, 542, 580, 730, 812, 1015, 1022, 1084, 1355, 1460, 1897, 2030, 2044, 2117, 2555, 2710, 3794, 4060, 4234, 5110, 5420, 7588, 7859, 8468, 9485, 10220, 10585, 14819, 15718, 18970, 19783, 21170, 29638, 31436, 37940, 39295, 39566, 42340, 55013, 59276, 74095, 78590, 79132, 98915, 110026, 138481, 148190, 157180, 197830, 220052, 275065, 276962, 296380, 395660, 550130, 553924, 573707, 692405, 1100260, 1147414, 1384810, 2294828, 2769620, 2868535, 4015949, 5737070, 8031898, 11474140, 16063796, 20079745, 40159490, 80318980]

約数ペア:

[(1, 80318980), (2, 40159490), (4, 20079745), (5, 16063796), (7, 11474140), (10, 8031898), (14, 5737070), (20, 4015949), (28, 2868535), (29, 2769620), (35, 2294828), (58, 1384810), (70, 1147414), (73, 1100260), (116, 692405), (140, 573707), (145, 553924), (146, 550130), (203, 395660), (271, 296380), (290, 276962), (292, 275065), (365, 220052), (406, 197830), (511, 157180), (542, 148190), (580, 138481), (730, 110026), (812, 98915), (1015, 79132), (1022, 78590), (1084, 74095), (1355, 59276), (1460, 55013), (1897, 42340), (2030, 39566), (2044, 39295), (2117, 37940), (2555, 31436), (2710, 29638), (3794, 21170), (4060, 19783), (4234, 18970), (5110, 15718), (5420, 14819), (7588, 10585), (7859, 10220), (8468, 9485)]