72101970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{601}}^1$

素因数の和:688

約数の個数: 96

約数和(自身を含む): 198342144

約数和(自身を除く): 126240174

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 43, 45, 62, 86, 90, 93, 129, 155, 186, 215, 258, 279, 310, 387, 430, 465, 558, 601, 645, 774, 930, 1202, 1290, 1333, 1395, 1803, 1935, 2666, 2790, 3005, 3606, 3870, 3999, 5409, 6010, 6665, 7998, 9015, 10818, 11997, 13330, 18030, 18631, 19995, 23994, 25843, 27045, 37262, 39990, 51686, 54090, 55893, 59985, 77529, 93155, 111786, 119970, 129215, 155058, 167679, 186310, 232587, 258430, 279465, 335358, 387645, 465174, 558930, 775290, 801133, 838395, 1162935, 1602266, 1676790, 2325870, 2403399, 4005665, 4806798, 7210197, 8011330, 12016995, 14420394, 24033990, 36050985, 72101970]

約数ペア:

[(1, 72101970), (2, 36050985), (3, 24033990), (5, 14420394), (6, 12016995), (9, 8011330), (10, 7210197), (15, 4806798), (18, 4005665), (30, 2403399), (31, 2325870), (43, 1676790), (45, 1602266), (62, 1162935), (86, 838395), (90, 801133), (93, 775290), (129, 558930), (155, 465174), (186, 387645), (215, 335358), (258, 279465), (279, 258430), (310, 232587), (387, 186310), (430, 167679), (465, 155058), (558, 129215), (601, 119970), (645, 111786), (774, 93155), (930, 77529), (1202, 59985), (1290, 55893), (1333, 54090), (1395, 51686), (1803, 39990), (1935, 37262), (2666, 27045), (2790, 25843), (3005, 23994), (3606, 19995), (3870, 18631), (3999, 18030), (5409, 13330), (6010, 11997), (6665, 10818), (7998, 9015)]