1320231720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{18679}}^1$

素因数の和:18743

約数の個数: 128

約数和(自身を含む): 4303872000

約数和(自身を除く): 2983640280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 31, 38, 40, 57, 60, 62, 76, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 248, 285, 310, 372, 380, 456, 465, 570, 589, 620, 744, 760, 930, 1140, 1178, 1240, 1767, 1860, 2280, 2356, 2945, 3534, 3720, 4712, 5890, 7068, 8835, 11780, 14136, 17670, 18679, 23560, 35340, 37358, 56037, 70680, 74716, 93395, 112074, 149432, 186790, 224148, 280185, 354901, 373580, 448296, 560370, 579049, 709802, 747160, 1064703, 1120740, 1158098, 1419604, 1737147, 1774505, 2129406, 2241480, 2316196, 2839208, 2895245, 3474294, 3549010, 4258812, 4632392, 5323515, 5790490, 6948588, 7098020, 8517624, 8685735, 10647030, 11001931, 11580980, 13897176, 14196040, 17371470, 21294060, 22003862, 23161960, 33005793, 34742940, 42588120, 44007724, 55009655, 66011586, 69485880, 88015448, 110019310, 132023172, 165028965, 220038620, 264046344, 330057930, 440077240, 660115860, 1320231720]

約数ペア:

[(1, 1320231720), (2, 660115860), (3, 440077240), (4, 330057930), (5, 264046344), (6, 220038620), (8, 165028965), (10, 132023172), (12, 110019310), (15, 88015448), (19, 69485880), (20, 66011586), (24, 55009655), (30, 44007724), (31, 42588120), (38, 34742940), (40, 33005793), (57, 23161960), (60, 22003862), (62, 21294060), (76, 17371470), (93, 14196040), (95, 13897176), (114, 11580980), (120, 11001931), (124, 10647030), (152, 8685735), (155, 8517624), (186, 7098020), (190, 6948588), (228, 5790490), (248, 5323515), (285, 4632392), (310, 4258812), (372, 3549010), (380, 3474294), (456, 2895245), (465, 2839208), (570, 2316196), (589, 2241480), (620, 2129406), (744, 1774505), (760, 1737147), (930, 1419604), (1140, 1158098), (1178, 1120740), (1240, 1064703), (1767, 747160), (1860, 709802), (2280, 579049), (2356, 560370), (2945, 448296), (3534, 373580), (3720, 354901), (4712, 280185), (5890, 224148), (7068, 186790), (8835, 149432), (11780, 112074), (14136, 93395), (17670, 74716), (18679, 70680), (23560, 56037), (35340, 37358)]