280852320

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{11941}}^1$

素因数の和:11973

約数の個数: 144

約数和(自身を含む): 1029209328

約数和(自身を除く): 748357008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 11760, 11941, 23520, 23882, 35823, 47764, 59705, 71646, 83587, 95528, 119410, 143292, 167174, 179115, 191056, 238820, 250761, 286584, 334348, 358230, 382112, 417935, 477640, 501522, 573168, 585109, 668696, 716460, 835870, 955280, 1003044, 1146336, 1170218, 1253805, 1337392, 1432920, 1671740, 1755327, 1910560, 2006088, 2340436, 2507610, 2674784, 2865840, 2925545, 3343480, 3510654, 4012176, 4680872, 5015220, 5731680, 5851090, 6686960, 7021308, 8024352, 8776635, 9361744, 10030440, 11702180, 13373920, 14042616, 17553270, 18723488, 20060880, 23404360, 28085232, 35106540, 40121760, 46808720, 56170464, 70213080, 93617440, 140426160, 280852320]

約数ペア:

[(1, 280852320), (2, 140426160), (3, 93617440), (4, 70213080), (5, 56170464), (6, 46808720), (7, 40121760), (8, 35106540), (10, 28085232), (12, 23404360), (14, 20060880), (15, 18723488), (16, 17553270), (20, 14042616), (21, 13373920), (24, 11702180), (28, 10030440), (30, 9361744), (32, 8776635), (35, 8024352), (40, 7021308), (42, 6686960), (48, 5851090), (49, 5731680), (56, 5015220), (60, 4680872), (70, 4012176), (80, 3510654), (84, 3343480), (96, 2925545), (98, 2865840), (105, 2674784), (112, 2507610), (120, 2340436), (140, 2006088), (147, 1910560), (160, 1755327), (168, 1671740), (196, 1432920), (210, 1337392), (224, 1253805), (240, 1170218), (245, 1146336), (280, 1003044), (294, 955280), (336, 835870), (392, 716460), (420, 668696), (480, 585109), (490, 573168), (560, 501522), (588, 477640), (672, 417935), (735, 382112), (784, 358230), (840, 334348), (980, 286584), (1120, 250761), (1176, 238820), (1470, 191056), (1568, 179115), (1680, 167174), (1960, 143292), (2352, 119410), (2940, 95528), (3360, 83587), (3920, 71646), (4704, 59705), (5880, 47764), (7840, 35823), (11760, 23882), (11941, 23520)]