321889120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:253

約数の個数: 192

約数和(自身を含む): 916586496

約数和(自身を除く): 594697376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 73, 80, 112, 124, 127, 140, 146, 155, 160, 217, 224, 248, 254, 280, 292, 310, 365, 434, 496, 508, 511, 560, 584, 620, 635, 730, 868, 889, 992, 1016, 1022, 1085, 1120, 1168, 1240, 1270, 1460, 1736, 1778, 2032, 2044, 2170, 2263, 2336, 2480, 2540, 2555, 2920, 3472, 3556, 3937, 4064, 4088, 4340, 4445, 4526, 4960, 5080, 5110, 5840, 6944, 7112, 7874, 8176, 8680, 8890, 9052, 9271, 10160, 10220, 11315, 11680, 14224, 15748, 15841, 16352, 17360, 17780, 18104, 18542, 19685, 20320, 20440, 22630, 27559, 28448, 31496, 31682, 34720, 35560, 36208, 37084, 39370, 40880, 45260, 46355, 55118, 62992, 63364, 64897, 71120, 72416, 74168, 78740, 79205, 81760, 90520, 92710, 110236, 125984, 126728, 129794, 137795, 142240, 148336, 157480, 158410, 181040, 185420, 220472, 253456, 259588, 275590, 287401, 296672, 314960, 316820, 324485, 362080, 370840, 440944, 506912, 519176, 551180, 574802, 629920, 633640, 648970, 741680, 881888, 1038352, 1102360, 1149604, 1267280, 1297940, 1437005, 1483360, 2011807, 2076704, 2204720, 2299208, 2534560, 2595880, 2874010, 4023614, 4409440, 4598416, 5191760, 5748020, 8047228, 9196832, 10059035, 10383520, 11496040, 16094456, 20118070, 22992080, 32188912, 40236140, 45984160, 64377824, 80472280, 160944560, 321889120]

約数ペア:

[(1, 321889120), (2, 160944560), (4, 80472280), (5, 64377824), (7, 45984160), (8, 40236140), (10, 32188912), (14, 22992080), (16, 20118070), (20, 16094456), (28, 11496040), (31, 10383520), (32, 10059035), (35, 9196832), (40, 8047228), (56, 5748020), (62, 5191760), (70, 4598416), (73, 4409440), (80, 4023614), (112, 2874010), (124, 2595880), (127, 2534560), (140, 2299208), (146, 2204720), (155, 2076704), (160, 2011807), (217, 1483360), (224, 1437005), (248, 1297940), (254, 1267280), (280, 1149604), (292, 1102360), (310, 1038352), (365, 881888), (434, 741680), (496, 648970), (508, 633640), (511, 629920), (560, 574802), (584, 551180), (620, 519176), (635, 506912), (730, 440944), (868, 370840), (889, 362080), (992, 324485), (1016, 316820), (1022, 314960), (1085, 296672), (1120, 287401), (1168, 275590), (1240, 259588), (1270, 253456), (1460, 220472), (1736, 185420), (1778, 181040), (2032, 158410), (2044, 157480), (2170, 148336), (2263, 142240), (2336, 137795), (2480, 129794), (2540, 126728), (2555, 125984), (2920, 110236), (3472, 92710), (3556, 90520), (3937, 81760), (4064, 79205), (4088, 78740), (4340, 74168), (4445, 72416), (4526, 71120), (4960, 64897), (5080, 63364), (5110, 62992), (5840, 55118), (6944, 46355), (7112, 45260), (7874, 40880), (8176, 39370), (8680, 37084), (8890, 36208), (9052, 35560), (9271, 34720), (10160, 31682), (10220, 31496), (11315, 28448), (11680, 27559), (14224, 22630), (15748, 20440), (15841, 20320), (16352, 19685), (17360, 18542), (17780, 18104)]