660009420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{74831}}^1$

素因数の和:74860

約数の個数: 108

約数和(自身を含む): 2328921504

約数和(自身を除く): 1668912084

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 74831, 149662, 224493, 299324, 374155, 448986, 523817, 673479, 748310, 897972, 1047634, 1122465, 1346958, 1496620, 1571451, 2095268, 2244930, 2619085, 2693916, 3142902, 3367395, 3666719, 4489860, 4714353, 5238170, 6285804, 6734790, 7333438, 7857255, 9428706, 10476340, 11000157, 13469580, 14666876, 15714510, 18333595, 18857412, 22000314, 23571765, 31429020, 33000471, 36667190, 44000628, 47143530, 55000785, 66000942, 73334380, 94287060, 110001570, 132001884, 165002355, 220003140, 330004710, 660009420]

約数ペア:

[(1, 660009420), (2, 330004710), (3, 220003140), (4, 165002355), (5, 132001884), (6, 110001570), (7, 94287060), (9, 73334380), (10, 66000942), (12, 55000785), (14, 47143530), (15, 44000628), (18, 36667190), (20, 33000471), (21, 31429020), (28, 23571765), (30, 22000314), (35, 18857412), (36, 18333595), (42, 15714510), (45, 14666876), (49, 13469580), (60, 11000157), (63, 10476340), (70, 9428706), (84, 7857255), (90, 7333438), (98, 6734790), (105, 6285804), (126, 5238170), (140, 4714353), (147, 4489860), (180, 3666719), (196, 3367395), (210, 3142902), (245, 2693916), (252, 2619085), (294, 2244930), (315, 2095268), (420, 1571451), (441, 1496620), (490, 1346958), (588, 1122465), (630, 1047634), (735, 897972), (882, 748310), (980, 673479), (1260, 523817), (1470, 448986), (1764, 374155), (2205, 299324), (2940, 224493), (4410, 149662), (8820, 74831)]