720049960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6577}}^1$

素因数の和:6635

約数の個数: 128

約数和(自身を含む): 2046021120

約数和(自身を除く): 1325971160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 23, 28, 34, 35, 40, 46, 56, 68, 70, 85, 92, 115, 119, 136, 140, 161, 170, 184, 230, 238, 280, 322, 340, 391, 460, 476, 595, 644, 680, 782, 805, 920, 952, 1190, 1288, 1564, 1610, 1955, 2380, 2737, 3128, 3220, 3910, 4760, 5474, 6440, 6577, 7820, 10948, 13154, 13685, 15640, 21896, 26308, 27370, 32885, 46039, 52616, 54740, 65770, 92078, 109480, 111809, 131540, 151271, 184156, 223618, 230195, 263080, 302542, 368312, 447236, 460390, 559045, 605084, 756355, 782663, 894472, 920780, 1058897, 1118090, 1210168, 1512710, 1565326, 1841560, 2117794, 2236180, 2571607, 3025420, 3130652, 3913315, 4235588, 4472360, 5143214, 5294485, 6050840, 6261304, 7826630, 8471176, 10286428, 10588970, 12858035, 15653260, 18001249, 20572856, 21177940, 25716070, 31306520, 36002498, 42355880, 51432140, 72004996, 90006245, 102864280, 144009992, 180012490, 360024980, 720049960]

約数ペア:

[(1, 720049960), (2, 360024980), (4, 180012490), (5, 144009992), (7, 102864280), (8, 90006245), (10, 72004996), (14, 51432140), (17, 42355880), (20, 36002498), (23, 31306520), (28, 25716070), (34, 21177940), (35, 20572856), (40, 18001249), (46, 15653260), (56, 12858035), (68, 10588970), (70, 10286428), (85, 8471176), (92, 7826630), (115, 6261304), (119, 6050840), (136, 5294485), (140, 5143214), (161, 4472360), (170, 4235588), (184, 3913315), (230, 3130652), (238, 3025420), (280, 2571607), (322, 2236180), (340, 2117794), (391, 1841560), (460, 1565326), (476, 1512710), (595, 1210168), (644, 1118090), (680, 1058897), (782, 920780), (805, 894472), (920, 782663), (952, 756355), (1190, 605084), (1288, 559045), (1564, 460390), (1610, 447236), (1955, 368312), (2380, 302542), (2737, 263080), (3128, 230195), (3220, 223618), (3910, 184156), (4760, 151271), (5474, 131540), (6440, 111809), (6577, 109480), (7820, 92078), (10948, 65770), (13154, 54740), (13685, 52616), (15640, 46039), (21896, 32885), (26308, 27370)]