245304540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{104831}}^1$

素因数の和:104859

約数の個数: 72

約数和(自身を含む): 801335808

約数和(自身を除く): 556031268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 104831, 209662, 314493, 419324, 524155, 628986, 943479, 1048310, 1257972, 1362803, 1572465, 1886958, 2096620, 2725606, 3144930, 3773916, 4088409, 4717395, 5451212, 6289860, 6814015, 8176818, 9434790, 12265227, 13628030, 16353636, 18869580, 20442045, 24530454, 27256060, 40884090, 49060908, 61326135, 81768180, 122652270, 245304540]

約数ペア:

[(1, 245304540), (2, 122652270), (3, 81768180), (4, 61326135), (5, 49060908), (6, 40884090), (9, 27256060), (10, 24530454), (12, 20442045), (13, 18869580), (15, 16353636), (18, 13628030), (20, 12265227), (26, 9434790), (30, 8176818), (36, 6814015), (39, 6289860), (45, 5451212), (52, 4717395), (60, 4088409), (65, 3773916), (78, 3144930), (90, 2725606), (117, 2096620), (130, 1886958), (156, 1572465), (180, 1362803), (195, 1257972), (234, 1048310), (260, 943479), (390, 628986), (468, 524155), (585, 419324), (780, 314493), (1170, 209662), (2340, 104831)]