77938380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1753}}^1$

素因数の和:1800

約数の個数: 144

約数和(自身を含む): 268151520

約数和(自身を除く): 190213140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1482, 1710, 1753, 2223, 2340, 2470, 2964, 3420, 3506, 3705, 4446, 4940, 5259, 7012, 7410, 8765, 8892, 10518, 11115, 14820, 15777, 17530, 21036, 22230, 22789, 26295, 31554, 33307, 35060, 44460, 45578, 52590, 63108, 66614, 68367, 78885, 91156, 99921, 105180, 113945, 133228, 136734, 157770, 166535, 199842, 205101, 227890, 273468, 299763, 315540, 333070, 341835, 399684, 410202, 432991, 455780, 499605, 599526, 666140, 683670, 820404, 865982, 999210, 1025505, 1199052, 1298973, 1367340, 1498815, 1731964, 1998420, 2051010, 2164955, 2597946, 2997630, 3896919, 4102020, 4329910, 5195892, 5995260, 6494865, 7793838, 8659820, 12989730, 15587676, 19484595, 25979460, 38969190, 77938380]

約数ペア:

[(1, 77938380), (2, 38969190), (3, 25979460), (4, 19484595), (5, 15587676), (6, 12989730), (9, 8659820), (10, 7793838), (12, 6494865), (13, 5995260), (15, 5195892), (18, 4329910), (19, 4102020), (20, 3896919), (26, 2997630), (30, 2597946), (36, 2164955), (38, 2051010), (39, 1998420), (45, 1731964), (52, 1498815), (57, 1367340), (60, 1298973), (65, 1199052), (76, 1025505), (78, 999210), (90, 865982), (95, 820404), (114, 683670), (117, 666140), (130, 599526), (156, 499605), (171, 455780), (180, 432991), (190, 410202), (195, 399684), (228, 341835), (234, 333070), (247, 315540), (260, 299763), (285, 273468), (342, 227890), (380, 205101), (390, 199842), (468, 166535), (494, 157770), (570, 136734), (585, 133228), (684, 113945), (741, 105180), (780, 99921), (855, 91156), (988, 78885), (1140, 68367), (1170, 66614), (1235, 63108), (1482, 52590), (1710, 45578), (1753, 44460), (2223, 35060), (2340, 33307), (2470, 31554), (2964, 26295), (3420, 22789), (3506, 22230), (3705, 21036), (4446, 17530), (4940, 15777), (5259, 14820), (7012, 11115), (7410, 10518), (8765, 8892)]