78770860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1439}}^1$

素因数の和:1495

約数の個数: 96

約数和(自身を含む): 209018880

約数和(自身を除く): 130248020

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 23, 28, 34, 35, 46, 68, 70, 85, 92, 115, 119, 140, 161, 170, 230, 238, 322, 340, 391, 460, 476, 595, 644, 782, 805, 1190, 1439, 1564, 1610, 1955, 2380, 2737, 2878, 3220, 3910, 5474, 5756, 7195, 7820, 10073, 10948, 13685, 14390, 20146, 24463, 27370, 28780, 33097, 40292, 48926, 50365, 54740, 66194, 97852, 100730, 122315, 132388, 165485, 171241, 201460, 231679, 244630, 330970, 342482, 463358, 489260, 562649, 661940, 684964, 856205, 926716, 1125298, 1158395, 1712410, 2250596, 2316790, 2813245, 3424820, 3938543, 4633580, 5626490, 7877086, 11252980, 15754172, 19692715, 39385430, 78770860]

約数ペア:

[(1, 78770860), (2, 39385430), (4, 19692715), (5, 15754172), (7, 11252980), (10, 7877086), (14, 5626490), (17, 4633580), (20, 3938543), (23, 3424820), (28, 2813245), (34, 2316790), (35, 2250596), (46, 1712410), (68, 1158395), (70, 1125298), (85, 926716), (92, 856205), (115, 684964), (119, 661940), (140, 562649), (161, 489260), (170, 463358), (230, 342482), (238, 330970), (322, 244630), (340, 231679), (391, 201460), (460, 171241), (476, 165485), (595, 132388), (644, 122315), (782, 100730), (805, 97852), (1190, 66194), (1439, 54740), (1564, 50365), (1610, 48926), (1955, 40292), (2380, 33097), (2737, 28780), (2878, 27370), (3220, 24463), (3910, 20146), (5474, 14390), (5756, 13685), (7195, 10948), (7820, 10073)]