128536931540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1\times {\mathrm{21799}}^1$

素因数の和:22149

約数の個数: 96

約数和(自身を含む): 290062080000

約数和(自身を除く): 161525148460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 263, 295, 380, 526, 590, 1052, 1121, 1180, 1315, 2242, 2630, 4484, 4997, 5260, 5605, 9994, 11210, 15517, 19988, 21799, 22420, 24985, 31034, 43598, 49970, 62068, 77585, 87196, 99940, 108995, 155170, 217990, 294823, 310340, 414181, 435980, 589646, 828362, 1179292, 1286141, 1474115, 1656724, 2070905, 2572282, 2948230, 4141810, 5144564, 5733137, 5896460, 6430705, 8283620, 11466274, 12861410, 22932548, 24436679, 25722820, 28665685, 48873358, 57331370, 97746716, 108929603, 114662740, 122183395, 217859206, 244366790, 338255083, 435718412, 488733580, 544648015, 676510166, 1089296030, 1353020332, 1691275415, 2178592060, 3382550830, 6426846577, 6765101660, 12853693154, 25707386308, 32134232885, 64268465770, 128536931540]

約数ペア:

[(1, 128536931540), (2, 64268465770), (4, 32134232885), (5, 25707386308), (10, 12853693154), (19, 6765101660), (20, 6426846577), (38, 3382550830), (59, 2178592060), (76, 1691275415), (95, 1353020332), (118, 1089296030), (190, 676510166), (236, 544648015), (263, 488733580), (295, 435718412), (380, 338255083), (526, 244366790), (590, 217859206), (1052, 122183395), (1121, 114662740), (1180, 108929603), (1315, 97746716), (2242, 57331370), (2630, 48873358), (4484, 28665685), (4997, 25722820), (5260, 24436679), (5605, 22932548), (9994, 12861410), (11210, 11466274), (15517, 8283620), (19988, 6430705), (21799, 5896460), (22420, 5733137), (24985, 5144564), (31034, 4141810), (43598, 2948230), (49970, 2572282), (62068, 2070905), (77585, 1656724), (87196, 1474115), (99940, 1286141), (108995, 1179292), (155170, 828362), (217990, 589646), (294823, 435980), (310340, 414181)]