64809800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:447

約数の個数: 96

約数和(自身を含む): 166730400

約数和(自身を除く): 101920600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 89, 100, 110, 178, 200, 220, 275, 331, 356, 440, 445, 550, 662, 712, 890, 979, 1100, 1324, 1655, 1780, 1958, 2200, 2225, 2648, 3310, 3560, 3641, 3916, 4450, 4895, 6620, 7282, 7832, 8275, 8900, 9790, 13240, 14564, 16550, 17800, 18205, 19580, 24475, 29128, 29459, 33100, 36410, 39160, 48950, 58918, 66200, 72820, 91025, 97900, 117836, 145640, 147295, 182050, 195800, 235672, 294590, 324049, 364100, 589180, 648098, 728200, 736475, 1178360, 1296196, 1472950, 1620245, 2592392, 2945900, 3240490, 5891800, 6480980, 8101225, 12961960, 16202450, 32404900, 64809800]

約数ペア:

[(1, 64809800), (2, 32404900), (4, 16202450), (5, 12961960), (8, 8101225), (10, 6480980), (11, 5891800), (20, 3240490), (22, 2945900), (25, 2592392), (40, 1620245), (44, 1472950), (50, 1296196), (55, 1178360), (88, 736475), (89, 728200), (100, 648098), (110, 589180), (178, 364100), (200, 324049), (220, 294590), (275, 235672), (331, 195800), (356, 182050), (440, 147295), (445, 145640), (550, 117836), (662, 97900), (712, 91025), (890, 72820), (979, 66200), (1100, 58918), (1324, 48950), (1655, 39160), (1780, 36410), (1958, 33100), (2200, 29459), (2225, 29128), (2648, 24475), (3310, 19580), (3560, 18205), (3641, 17800), (3916, 16550), (4450, 14564), (4895, 13240), (6620, 9790), (7282, 8900), (7832, 8275)]