64780380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{51413}}^1$

素因数の和:51435

約数の個数: 72

約数和(自身を含む): 224576352

約数和(自身を除く): 159795972

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, 420, 630, 1260, 51413, 102826, 154239, 205652, 257065, 308478, 359891, 462717, 514130, 616956, 719782, 771195, 925434, 1028260, 1079673, 1439564, 1542390, 1799455, 1850868, 2159346, 2313585, 3084780, 3239019, 3598910, 4318692, 4627170, 5398365, 6478038, 7197820, 9254340, 10796730, 12956076, 16195095, 21593460, 32390190, 64780380]

約数ペア:

[(1, 64780380), (2, 32390190), (3, 21593460), (4, 16195095), (5, 12956076), (6, 10796730), (7, 9254340), (9, 7197820), (10, 6478038), (12, 5398365), (14, 4627170), (15, 4318692), (18, 3598910), (20, 3239019), (21, 3084780), (28, 2313585), (30, 2159346), (35, 1850868), (36, 1799455), (42, 1542390), (45, 1439564), (60, 1079673), (63, 1028260), (70, 925434), (84, 771195), (90, 719782), (105, 616956), (126, 514130), (140, 462717), (180, 359891), (210, 308478), (252, 257065), (315, 205652), (420, 154239), (630, 102826), (1260, 51413)]