71516970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{16217}}^1$

素因数の和:16244

約数の個数: 72

約数和(自身を含む): 216315684

約数和(自身を除く): 144798714

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 16217, 32434, 48651, 81085, 97302, 113519, 145953, 162170, 227038, 243255, 291906, 340557, 486510, 567595, 681114, 729765, 794633, 1021671, 1135190, 1459530, 1589266, 1702785, 2043342, 2383899, 3405570, 3973165, 4767798, 5108355, 7151697, 7946330, 10216710, 11919495, 14303394, 23838990, 35758485, 71516970]

約数ペア:

[(1, 71516970), (2, 35758485), (3, 23838990), (5, 14303394), (6, 11919495), (7, 10216710), (9, 7946330), (10, 7151697), (14, 5108355), (15, 4767798), (18, 3973165), (21, 3405570), (30, 2383899), (35, 2043342), (42, 1702785), (45, 1589266), (49, 1459530), (63, 1135190), (70, 1021671), (90, 794633), (98, 729765), (105, 681114), (126, 567595), (147, 486510), (210, 340557), (245, 291906), (294, 243255), (315, 227038), (441, 162170), (490, 145953), (630, 113519), (735, 97302), (882, 81085), (1470, 48651), (2205, 32434), (4410, 16217)]