72128700

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{107}}^2$

素因数の和:241

約数の個数: 162

約数和(自身を含む): 260818376

約数和(自身を除く): 188689676

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 107, 126, 140, 150, 175, 180, 210, 214, 225, 252, 300, 315, 321, 350, 420, 428, 450, 525, 535, 630, 642, 700, 749, 900, 963, 1050, 1070, 1260, 1284, 1498, 1575, 1605, 1926, 2100, 2140, 2247, 2675, 2996, 3150, 3210, 3745, 3852, 4494, 4815, 5350, 6300, 6420, 6741, 7490, 8025, 8988, 9630, 10700, 11235, 11449, 13482, 14980, 16050, 18725, 19260, 22470, 22898, 24075, 26964, 32100, 33705, 34347, 37450, 44940, 45796, 48150, 56175, 57245, 67410, 68694, 74900, 80143, 96300, 103041, 112350, 114490, 134820, 137388, 160286, 168525, 171735, 206082, 224700, 228980, 240429, 286225, 320572, 337050, 343470, 400715, 412164, 480858, 515205, 572450, 674100, 686940, 721287, 801430, 858675, 961716, 1030410, 1144900, 1202145, 1442574, 1602860, 1717350, 2003575, 2060820, 2404290, 2576025, 2885148, 3434700, 3606435, 4007150, 4808580, 5152050, 6010725, 7212870, 8014300, 10304100, 12021450, 14425740, 18032175, 24042900, 36064350, 72128700]

約数ペア:

[(1, 72128700), (2, 36064350), (3, 24042900), (4, 18032175), (5, 14425740), (6, 12021450), (7, 10304100), (9, 8014300), (10, 7212870), (12, 6010725), (14, 5152050), (15, 4808580), (18, 4007150), (20, 3606435), (21, 3434700), (25, 2885148), (28, 2576025), (30, 2404290), (35, 2060820), (36, 2003575), (42, 1717350), (45, 1602860), (50, 1442574), (60, 1202145), (63, 1144900), (70, 1030410), (75, 961716), (84, 858675), (90, 801430), (100, 721287), (105, 686940), (107, 674100), (126, 572450), (140, 515205), (150, 480858), (175, 412164), (180, 400715), (210, 343470), (214, 337050), (225, 320572), (252, 286225), (300, 240429), (315, 228980), (321, 224700), (350, 206082), (420, 171735), (428, 168525), (450, 160286), (525, 137388), (535, 134820), (630, 114490), (642, 112350), (700, 103041), (749, 96300), (900, 80143), (963, 74900), (1050, 68694), (1070, 67410), (1260, 57245), (1284, 56175), (1498, 48150), (1575, 45796), (1605, 44940), (1926, 37450), (2100, 34347), (2140, 33705), (2247, 32100), (2675, 26964), (2996, 24075), (3150, 22898), (3210, 22470), (3745, 19260), (3852, 18725), (4494, 16050), (4815, 14980), (5350, 13482), (6300, 11449), (6420, 11235), (6741, 10700), (7490, 9630), (8025, 8988)]