178174980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{863}}^1$

素因数の和:946

約数の個数: 144

約数和(自身を含む): 573640704

約数和(自身を除く): 395465724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 37, 45, 60, 62, 74, 90, 93, 111, 124, 148, 155, 180, 185, 186, 222, 279, 310, 333, 370, 372, 444, 465, 555, 558, 620, 666, 740, 863, 930, 1110, 1116, 1147, 1332, 1395, 1665, 1726, 1860, 2220, 2294, 2589, 2790, 3330, 3441, 3452, 4315, 4588, 5178, 5580, 5735, 6660, 6882, 7767, 8630, 10323, 10356, 11470, 12945, 13764, 15534, 17205, 17260, 20646, 22940, 25890, 26753, 31068, 31931, 34410, 38835, 41292, 51615, 51780, 53506, 63862, 68820, 77670, 80259, 95793, 103230, 107012, 127724, 133765, 155340, 159655, 160518, 191586, 206460, 240777, 267530, 287379, 319310, 321036, 383172, 401295, 478965, 481554, 535060, 574758, 638620, 802590, 957930, 963108, 989861, 1149516, 1203885, 1436895, 1605180, 1915860, 1979722, 2407770, 2873790, 2969583, 3959444, 4815540, 4949305, 5747580, 5939166, 8908749, 9898610, 11878332, 14847915, 17817498, 19797220, 29695830, 35634996, 44543745, 59391660, 89087490, 178174980]

約数ペア:

[(1, 178174980), (2, 89087490), (3, 59391660), (4, 44543745), (5, 35634996), (6, 29695830), (9, 19797220), (10, 17817498), (12, 14847915), (15, 11878332), (18, 9898610), (20, 8908749), (30, 5939166), (31, 5747580), (36, 4949305), (37, 4815540), (45, 3959444), (60, 2969583), (62, 2873790), (74, 2407770), (90, 1979722), (93, 1915860), (111, 1605180), (124, 1436895), (148, 1203885), (155, 1149516), (180, 989861), (185, 963108), (186, 957930), (222, 802590), (279, 638620), (310, 574758), (333, 535060), (370, 481554), (372, 478965), (444, 401295), (465, 383172), (555, 321036), (558, 319310), (620, 287379), (666, 267530), (740, 240777), (863, 206460), (930, 191586), (1110, 160518), (1116, 159655), (1147, 155340), (1332, 133765), (1395, 127724), (1665, 107012), (1726, 103230), (1860, 95793), (2220, 80259), (2294, 77670), (2589, 68820), (2790, 63862), (3330, 53506), (3441, 51780), (3452, 51615), (4315, 41292), (4588, 38835), (5178, 34410), (5580, 31931), (5735, 31068), (6660, 26753), (6882, 25890), (7767, 22940), (8630, 20646), (10323, 17260), (10356, 17205), (11470, 15534), (12945, 13764)]