78627900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{20161}}^1$

素因数の和:20191

約数の個数: 72

約数和(自身を含む): 245008624

約数和(自身を除く): 166380724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 20161, 40322, 60483, 80644, 100805, 120966, 201610, 241932, 262093, 302415, 403220, 504025, 524186, 604830, 786279, 1008050, 1048372, 1209660, 1310465, 1512075, 1572558, 2016100, 2620930, 3024150, 3145116, 3931395, 5241860, 6048300, 6552325, 7862790, 13104650, 15725580, 19656975, 26209300, 39313950, 78627900]

約数ペア:

[(1, 78627900), (2, 39313950), (3, 26209300), (4, 19656975), (5, 15725580), (6, 13104650), (10, 7862790), (12, 6552325), (13, 6048300), (15, 5241860), (20, 3931395), (25, 3145116), (26, 3024150), (30, 2620930), (39, 2016100), (50, 1572558), (52, 1512075), (60, 1310465), (65, 1209660), (75, 1048372), (78, 1008050), (100, 786279), (130, 604830), (150, 524186), (156, 504025), (195, 403220), (260, 302415), (300, 262093), (325, 241932), (390, 201610), (650, 120966), (780, 100805), (975, 80644), (1300, 60483), (1950, 40322), (3900, 20161)]