78173820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{433}}^1$

素因数の和:524

約数の個数: 144

約数和(自身を含む): 255921120

約数和(自身を除く): 177747300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 59, 60, 68, 85, 90, 102, 118, 153, 170, 177, 180, 204, 236, 255, 295, 306, 340, 354, 433, 510, 531, 590, 612, 708, 765, 866, 885, 1003, 1020, 1062, 1180, 1299, 1530, 1732, 1770, 2006, 2124, 2165, 2598, 2655, 3009, 3060, 3540, 3897, 4012, 4330, 5015, 5196, 5310, 6018, 6495, 7361, 7794, 8660, 9027, 10030, 10620, 12036, 12990, 14722, 15045, 15588, 18054, 19485, 20060, 22083, 25547, 25980, 29444, 30090, 36108, 36805, 38970, 44166, 45135, 51094, 60180, 66249, 73610, 76641, 77940, 88332, 90270, 102188, 110415, 127735, 132498, 147220, 153282, 180540, 220830, 229923, 255470, 264996, 306564, 331245, 383205, 434299, 441660, 459846, 510940, 662490, 766410, 868598, 919692, 1149615, 1302897, 1324980, 1532820, 1737196, 2171495, 2299230, 2605794, 3908691, 4342990, 4598460, 5211588, 6514485, 7817382, 8685980, 13028970, 15634764, 19543455, 26057940, 39086910, 78173820]

約数ペア:

[(1, 78173820), (2, 39086910), (3, 26057940), (4, 19543455), (5, 15634764), (6, 13028970), (9, 8685980), (10, 7817382), (12, 6514485), (15, 5211588), (17, 4598460), (18, 4342990), (20, 3908691), (30, 2605794), (34, 2299230), (36, 2171495), (45, 1737196), (51, 1532820), (59, 1324980), (60, 1302897), (68, 1149615), (85, 919692), (90, 868598), (102, 766410), (118, 662490), (153, 510940), (170, 459846), (177, 441660), (180, 434299), (204, 383205), (236, 331245), (255, 306564), (295, 264996), (306, 255470), (340, 229923), (354, 220830), (433, 180540), (510, 153282), (531, 147220), (590, 132498), (612, 127735), (708, 110415), (765, 102188), (866, 90270), (885, 88332), (1003, 77940), (1020, 76641), (1062, 73610), (1180, 66249), (1299, 60180), (1530, 51094), (1732, 45135), (1770, 44166), (2006, 38970), (2124, 36805), (2165, 36108), (2598, 30090), (2655, 29444), (3009, 25980), (3060, 25547), (3540, 22083), (3897, 20060), (4012, 19485), (4330, 18054), (5015, 15588), (5196, 15045), (5310, 14722), (6018, 12990), (6495, 12036), (7361, 10620), (7794, 10030), (8660, 9027)]