42456180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 132814080

約数和(自身を除く): 90357900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 53, 60, 65, 78, 79, 106, 130, 156, 158, 159, 169, 195, 212, 237, 260, 265, 316, 318, 338, 390, 395, 474, 507, 530, 636, 676, 689, 780, 790, 795, 845, 948, 1014, 1027, 1060, 1185, 1378, 1580, 1590, 1690, 2028, 2054, 2067, 2370, 2535, 2756, 3081, 3180, 3380, 3445, 4108, 4134, 4187, 4740, 5070, 5135, 6162, 6890, 8268, 8374, 8957, 10140, 10270, 10335, 12324, 12561, 13351, 13780, 15405, 16748, 17914, 20540, 20670, 20935, 25122, 26702, 26871, 30810, 35828, 40053, 41340, 41870, 44785, 50244, 53404, 53742, 54431, 61620, 62805, 66755, 80106, 83740, 89570, 107484, 108862, 125610, 133510, 134355, 160212, 163293, 179140, 200265, 217724, 251220, 267020, 268710, 272155, 326586, 400530, 537420, 544310, 653172, 707603, 801060, 816465, 1088620, 1415206, 1632930, 2122809, 2830412, 3265860, 3538015, 4245618, 7076030, 8491236, 10614045, 14152060, 21228090, 42456180]

約数ペア:

[(1, 42456180), (2, 21228090), (3, 14152060), (4, 10614045), (5, 8491236), (6, 7076030), (10, 4245618), (12, 3538015), (13, 3265860), (15, 2830412), (20, 2122809), (26, 1632930), (30, 1415206), (39, 1088620), (52, 816465), (53, 801060), (60, 707603), (65, 653172), (78, 544310), (79, 537420), (106, 400530), (130, 326586), (156, 272155), (158, 268710), (159, 267020), (169, 251220), (195, 217724), (212, 200265), (237, 179140), (260, 163293), (265, 160212), (316, 134355), (318, 133510), (338, 125610), (390, 108862), (395, 107484), (474, 89570), (507, 83740), (530, 80106), (636, 66755), (676, 62805), (689, 61620), (780, 54431), (790, 53742), (795, 53404), (845, 50244), (948, 44785), (1014, 41870), (1027, 41340), (1060, 40053), (1185, 35828), (1378, 30810), (1580, 26871), (1590, 26702), (1690, 25122), (2028, 20935), (2054, 20670), (2067, 20540), (2370, 17914), (2535, 16748), (2756, 15405), (3081, 13780), (3180, 13351), (3380, 12561), (3445, 12324), (4108, 10335), (4134, 10270), (4187, 10140), (4740, 8957), (5070, 8374), (5135, 8268), (6162, 6890)]