15663912740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{309931}}^1$

素因数の和:309985

約数の個数: 72

約数和(自身を含む): 39676254912

約数和(自身を除く): 24012342172

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 361, 380, 532, 665, 722, 1330, 1444, 1805, 2527, 2660, 3610, 5054, 7220, 10108, 12635, 25270, 50540, 309931, 619862, 1239724, 1549655, 2169517, 3099310, 4339034, 5888689, 6198620, 8678068, 10847585, 11777378, 21695170, 23554756, 29443445, 41220823, 43390340, 58886890, 82441646, 111885091, 117773780, 164883292, 206104115, 223770182, 412208230, 447540364, 559425455, 783195637, 824416460, 1118850910, 1566391274, 2237701820, 3132782548, 3915978185, 7831956370, 15663912740]

約数ペア:

[(1, 15663912740), (2, 7831956370), (4, 3915978185), (5, 3132782548), (7, 2237701820), (10, 1566391274), (14, 1118850910), (19, 824416460), (20, 783195637), (28, 559425455), (35, 447540364), (38, 412208230), (70, 223770182), (76, 206104115), (95, 164883292), (133, 117773780), (140, 111885091), (190, 82441646), (266, 58886890), (361, 43390340), (380, 41220823), (532, 29443445), (665, 23554756), (722, 21695170), (1330, 11777378), (1444, 10847585), (1805, 8678068), (2527, 6198620), (2660, 5888689), (3610, 4339034), (5054, 3099310), (7220, 2169517), (10108, 1549655), (12635, 1239724), (25270, 619862), (50540, 309931)]