291787020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{631}}^1$

素因数の和:1020

約数の個数: 144

約数和(自身を含む): 1015891968

約数和(自身を除く): 724104948

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 367, 420, 630, 631, 734, 1101, 1260, 1262, 1468, 1835, 1893, 2202, 2524, 2569, 3155, 3303, 3670, 3786, 4404, 4417, 5138, 5505, 5679, 6310, 6606, 7340, 7572, 7707, 8834, 9465, 10276, 11010, 11358, 12620, 12845, 13212, 13251, 15414, 16515, 17668, 18930, 22020, 22085, 22716, 23121, 25690, 26502, 28395, 30828, 33030, 37860, 38535, 39753, 44170, 46242, 51380, 53004, 56790, 66060, 66255, 77070, 79506, 88340, 92484, 113580, 115605, 132510, 154140, 159012, 198765, 231210, 231577, 265020, 397530, 462420, 463154, 694731, 795060, 926308, 1157885, 1389462, 1621039, 2084193, 2315770, 2778924, 3242078, 3473655, 4168386, 4631540, 4863117, 6484156, 6947310, 8105195, 8336772, 9726234, 10420965, 13894620, 14589351, 16210390, 19452468, 20841930, 24315585, 29178702, 32420780, 41683860, 48631170, 58357404, 72946755, 97262340, 145893510, 291787020]

約数ペア:

[(1, 291787020), (2, 145893510), (3, 97262340), (4, 72946755), (5, 58357404), (6, 48631170), (7, 41683860), (9, 32420780), (10, 29178702), (12, 24315585), (14, 20841930), (15, 19452468), (18, 16210390), (20, 14589351), (21, 13894620), (28, 10420965), (30, 9726234), (35, 8336772), (36, 8105195), (42, 6947310), (45, 6484156), (60, 4863117), (63, 4631540), (70, 4168386), (84, 3473655), (90, 3242078), (105, 2778924), (126, 2315770), (140, 2084193), (180, 1621039), (210, 1389462), (252, 1157885), (315, 926308), (367, 795060), (420, 694731), (630, 463154), (631, 462420), (734, 397530), (1101, 265020), (1260, 231577), (1262, 231210), (1468, 198765), (1835, 159012), (1893, 154140), (2202, 132510), (2524, 115605), (2569, 113580), (3155, 92484), (3303, 88340), (3670, 79506), (3786, 77070), (4404, 66255), (4417, 66060), (5138, 56790), (5505, 53004), (5679, 51380), (6310, 46242), (6606, 44170), (7340, 39753), (7572, 38535), (7707, 37860), (8834, 33030), (9465, 30828), (10276, 28395), (11010, 26502), (11358, 25690), (12620, 23121), (12845, 22716), (13212, 22085), (13251, 22020), (15414, 18930), (16515, 17668)]