121302840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{641}}^1$

素因数の和:757

約数の個数: 128

約数和(自身を含む): 388281600

約数和(自身を除く): 266978760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 83, 95, 114, 120, 152, 166, 190, 228, 249, 285, 332, 380, 415, 456, 498, 570, 641, 664, 760, 830, 996, 1140, 1245, 1282, 1577, 1660, 1923, 1992, 2280, 2490, 2564, 3154, 3205, 3320, 3846, 4731, 4980, 5128, 6308, 6410, 7692, 7885, 9462, 9615, 9960, 12179, 12616, 12820, 15384, 15770, 18924, 19230, 23655, 24358, 25640, 31540, 36537, 37848, 38460, 47310, 48716, 53203, 60895, 63080, 73074, 76920, 94620, 97432, 106406, 121790, 146148, 159609, 182685, 189240, 212812, 243580, 266015, 292296, 319218, 365370, 425624, 487160, 532030, 638436, 730740, 798045, 1010857, 1064060, 1276872, 1461480, 1596090, 2021714, 2128120, 3032571, 3192180, 4043428, 5054285, 6065142, 6384360, 8086856, 10108570, 12130284, 15162855, 20217140, 24260568, 30325710, 40434280, 60651420, 121302840]

約数ペア:

[(1, 121302840), (2, 60651420), (3, 40434280), (4, 30325710), (5, 24260568), (6, 20217140), (8, 15162855), (10, 12130284), (12, 10108570), (15, 8086856), (19, 6384360), (20, 6065142), (24, 5054285), (30, 4043428), (38, 3192180), (40, 3032571), (57, 2128120), (60, 2021714), (76, 1596090), (83, 1461480), (95, 1276872), (114, 1064060), (120, 1010857), (152, 798045), (166, 730740), (190, 638436), (228, 532030), (249, 487160), (285, 425624), (332, 365370), (380, 319218), (415, 292296), (456, 266015), (498, 243580), (570, 212812), (641, 189240), (664, 182685), (760, 159609), (830, 146148), (996, 121790), (1140, 106406), (1245, 97432), (1282, 94620), (1577, 76920), (1660, 73074), (1923, 63080), (1992, 60895), (2280, 53203), (2490, 48716), (2564, 47310), (3154, 38460), (3205, 37848), (3320, 36537), (3846, 31540), (4731, 25640), (4980, 24358), (5128, 23655), (6308, 19230), (6410, 18924), (7692, 15770), (7885, 15384), (9462, 12820), (9615, 12616), (9960, 12179)]