144567640

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:330

約数の個数: 128

約数和(自身を含む): 390096000

約数和(自身を除く): 245528360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 49, 56, 70, 82, 98, 140, 164, 196, 205, 245, 257, 280, 287, 328, 343, 392, 410, 490, 514, 574, 686, 820, 980, 1028, 1148, 1285, 1372, 1435, 1640, 1715, 1799, 1960, 2009, 2056, 2296, 2570, 2744, 2870, 3430, 3598, 4018, 5140, 5740, 6860, 7196, 8036, 8995, 10045, 10280, 10537, 11480, 12593, 13720, 14063, 14392, 16072, 17990, 20090, 21074, 25186, 28126, 35980, 40180, 42148, 50372, 52685, 56252, 62965, 70315, 71960, 73759, 80360, 84296, 88151, 100744, 105370, 112504, 125930, 140630, 147518, 176302, 210740, 251860, 281260, 295036, 352604, 368795, 421480, 440755, 503720, 516313, 562520, 590072, 705208, 737590, 881510, 1032626, 1475180, 1763020, 2065252, 2581565, 2950360, 3526040, 3614191, 4130504, 5163130, 7228382, 10326260, 14456764, 18070955, 20652520, 28913528, 36141910, 72283820, 144567640]

約数ペア:

[(1, 144567640), (2, 72283820), (4, 36141910), (5, 28913528), (7, 20652520), (8, 18070955), (10, 14456764), (14, 10326260), (20, 7228382), (28, 5163130), (35, 4130504), (40, 3614191), (41, 3526040), (49, 2950360), (56, 2581565), (70, 2065252), (82, 1763020), (98, 1475180), (140, 1032626), (164, 881510), (196, 737590), (205, 705208), (245, 590072), (257, 562520), (280, 516313), (287, 503720), (328, 440755), (343, 421480), (392, 368795), (410, 352604), (490, 295036), (514, 281260), (574, 251860), (686, 210740), (820, 176302), (980, 147518), (1028, 140630), (1148, 125930), (1285, 112504), (1372, 105370), (1435, 100744), (1640, 88151), (1715, 84296), (1799, 80360), (1960, 73759), (2009, 71960), (2056, 70315), (2296, 62965), (2570, 56252), (2744, 52685), (2870, 50372), (3430, 42148), (3598, 40180), (4018, 35980), (5140, 28126), (5740, 25186), (6860, 21074), (7196, 20090), (8036, 17990), (8995, 16072), (10045, 14392), (10280, 14063), (10537, 13720), (11480, 12593)]