67990740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 208410048

約数和(自身を除く): 140419308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 43, 57, 60, 73, 76, 86, 95, 114, 129, 146, 172, 190, 215, 219, 228, 258, 285, 292, 361, 365, 380, 430, 438, 516, 570, 645, 722, 730, 817, 860, 876, 1083, 1095, 1140, 1290, 1387, 1444, 1460, 1634, 1805, 2166, 2190, 2451, 2580, 2774, 3139, 3268, 3610, 4085, 4161, 4332, 4380, 4902, 5415, 5548, 6278, 6935, 7220, 8170, 8322, 9417, 9804, 10830, 12255, 12556, 13870, 15523, 15695, 16340, 16644, 18834, 20805, 21660, 24510, 26353, 27740, 31046, 31390, 37668, 41610, 46569, 47085, 49020, 52706, 59641, 62092, 62780, 77615, 79059, 83220, 93138, 94170, 105412, 119282, 131765, 155230, 158118, 178923, 186276, 188340, 232845, 238564, 263530, 298205, 310460, 316236, 357846, 395295, 465690, 527060, 596410, 715692, 790590, 894615, 931380, 1133179, 1192820, 1581180, 1789230, 2266358, 3399537, 3578460, 4532716, 5665895, 6799074, 11331790, 13598148, 16997685, 22663580, 33995370, 67990740]

約数ペア:

[(1, 67990740), (2, 33995370), (3, 22663580), (4, 16997685), (5, 13598148), (6, 11331790), (10, 6799074), (12, 5665895), (15, 4532716), (19, 3578460), (20, 3399537), (30, 2266358), (38, 1789230), (43, 1581180), (57, 1192820), (60, 1133179), (73, 931380), (76, 894615), (86, 790590), (95, 715692), (114, 596410), (129, 527060), (146, 465690), (172, 395295), (190, 357846), (215, 316236), (219, 310460), (228, 298205), (258, 263530), (285, 238564), (292, 232845), (361, 188340), (365, 186276), (380, 178923), (430, 158118), (438, 155230), (516, 131765), (570, 119282), (645, 105412), (722, 94170), (730, 93138), (817, 83220), (860, 79059), (876, 77615), (1083, 62780), (1095, 62092), (1140, 59641), (1290, 52706), (1387, 49020), (1444, 47085), (1460, 46569), (1634, 41610), (1805, 37668), (2166, 31390), (2190, 31046), (2451, 27740), (2580, 26353), (2774, 24510), (3139, 21660), (3268, 20805), (3610, 18834), (4085, 16644), (4161, 16340), (4332, 15695), (4380, 15523), (4902, 13870), (5415, 12556), (5548, 12255), (6278, 10830), (6935, 9804), (7220, 9417), (8170, 8322)]