2790450

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:90

約数の個数: 120

約数和(自身を含む): 8507268

約数和(自身を除く): 5716818

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 27, 30, 39, 45, 50, 53, 54, 65, 75, 78, 81, 90, 106, 117, 130, 135, 150, 159, 162, 195, 225, 234, 265, 270, 318, 325, 351, 390, 405, 450, 477, 530, 585, 650, 675, 689, 702, 795, 810, 954, 975, 1053, 1170, 1325, 1350, 1378, 1431, 1590, 1755, 1950, 2025, 2067, 2106, 2385, 2650, 2862, 2925, 3445, 3510, 3975, 4050, 4134, 4293, 4770, 5265, 5850, 6201, 6890, 7155, 7950, 8586, 8775, 10335, 10530, 11925, 12402, 14310, 17225, 17550, 18603, 20670, 21465, 23850, 26325, 31005, 34450, 35775, 37206, 42930, 51675, 52650, 55809, 62010, 71550, 93015, 103350, 107325, 111618, 155025, 186030, 214650, 279045, 310050, 465075, 558090, 930150, 1395225, 2790450]

約数ペア:

[(1, 2790450), (2, 1395225), (3, 930150), (5, 558090), (6, 465075), (9, 310050), (10, 279045), (13, 214650), (15, 186030), (18, 155025), (25, 111618), (26, 107325), (27, 103350), (30, 93015), (39, 71550), (45, 62010), (50, 55809), (53, 52650), (54, 51675), (65, 42930), (75, 37206), (78, 35775), (81, 34450), (90, 31005), (106, 26325), (117, 23850), (130, 21465), (135, 20670), (150, 18603), (159, 17550), (162, 17225), (195, 14310), (225, 12402), (234, 11925), (265, 10530), (270, 10335), (318, 8775), (325, 8586), (351, 7950), (390, 7155), (405, 6890), (450, 6201), (477, 5850), (530, 5265), (585, 4770), (650, 4293), (675, 4134), (689, 4050), (702, 3975), (795, 3510), (810, 3445), (954, 2925), (975, 2862), (1053, 2650), (1170, 2385), (1325, 2106), (1350, 2067), (1378, 2025), (1431, 1950), (1590, 1755)]