72780120

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{3209}}^1$

素因数の和:3239

約数の個数: 160

約数和(自身を含む): 279655200

約数和(自身を除く): 206875080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 945, 1080, 1134, 1260, 1512, 1620, 1890, 2268, 2520, 2835, 3209, 3240, 3780, 4536, 5670, 6418, 7560, 9627, 11340, 12836, 16045, 19254, 22463, 22680, 25672, 28881, 32090, 38508, 44926, 48135, 57762, 64180, 67389, 77016, 86643, 89852, 96270, 112315, 115524, 128360, 134778, 144405, 173286, 179704, 192540, 202167, 224630, 231048, 259929, 269556, 288810, 336945, 346572, 385080, 404334, 433215, 449260, 519858, 539112, 577620, 606501, 673890, 693144, 808668, 866430, 898520, 1010835, 1039716, 1155240, 1213002, 1299645, 1347780, 1617336, 1732860, 1819503, 2021670, 2079432, 2426004, 2599290, 2695560, 3032505, 3465720, 3639006, 4043340, 4852008, 5198580, 6065010, 7278012, 8086680, 9097515, 10397160, 12130020, 14556024, 18195030, 24260040, 36390060, 72780120]

約数ペア:

[(1, 72780120), (2, 36390060), (3, 24260040), (4, 18195030), (5, 14556024), (6, 12130020), (7, 10397160), (8, 9097515), (9, 8086680), (10, 7278012), (12, 6065010), (14, 5198580), (15, 4852008), (18, 4043340), (20, 3639006), (21, 3465720), (24, 3032505), (27, 2695560), (28, 2599290), (30, 2426004), (35, 2079432), (36, 2021670), (40, 1819503), (42, 1732860), (45, 1617336), (54, 1347780), (56, 1299645), (60, 1213002), (63, 1155240), (70, 1039716), (72, 1010835), (81, 898520), (84, 866430), (90, 808668), (105, 693144), (108, 673890), (120, 606501), (126, 577620), (135, 539112), (140, 519858), (162, 449260), (168, 433215), (180, 404334), (189, 385080), (210, 346572), (216, 336945), (252, 288810), (270, 269556), (280, 259929), (315, 231048), (324, 224630), (360, 202167), (378, 192540), (405, 179704), (420, 173286), (504, 144405), (540, 134778), (567, 128360), (630, 115524), (648, 112315), (756, 96270), (810, 89852), (840, 86643), (945, 77016), (1080, 67389), (1134, 64180), (1260, 57762), (1512, 48135), (1620, 44926), (1890, 38508), (2268, 32090), (2520, 28881), (2835, 25672), (3209, 22680), (3240, 22463), (3780, 19254), (4536, 16045), (5670, 12836), (6418, 11340), (7560, 9627)]