18727020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:232

約数の個数: 144

約数和(自身を含む): 62741952

約数和(自身を除く): 44014932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 53, 60, 65, 78, 90, 106, 117, 130, 151, 156, 159, 180, 195, 212, 234, 260, 265, 302, 318, 390, 453, 468, 477, 530, 585, 604, 636, 689, 755, 780, 795, 906, 954, 1060, 1170, 1359, 1378, 1510, 1590, 1812, 1908, 1963, 2067, 2265, 2340, 2385, 2718, 2756, 3020, 3180, 3445, 3926, 4134, 4530, 4770, 5436, 5889, 6201, 6795, 6890, 7852, 8003, 8268, 9060, 9540, 9815, 10335, 11778, 12402, 13590, 13780, 16006, 17667, 19630, 20670, 23556, 24009, 24804, 27180, 29445, 31005, 32012, 35334, 39260, 40015, 41340, 48018, 58890, 62010, 70668, 72027, 80030, 88335, 96036, 104039, 117780, 120045, 124020, 144054, 160060, 176670, 208078, 240090, 288108, 312117, 353340, 360135, 416156, 480180, 520195, 624234, 720270, 936351, 1040390, 1248468, 1440540, 1560585, 1872702, 2080780, 3121170, 3745404, 4681755, 6242340, 9363510, 18727020]

約数ペア:

[(1, 18727020), (2, 9363510), (3, 6242340), (4, 4681755), (5, 3745404), (6, 3121170), (9, 2080780), (10, 1872702), (12, 1560585), (13, 1440540), (15, 1248468), (18, 1040390), (20, 936351), (26, 720270), (30, 624234), (36, 520195), (39, 480180), (45, 416156), (52, 360135), (53, 353340), (60, 312117), (65, 288108), (78, 240090), (90, 208078), (106, 176670), (117, 160060), (130, 144054), (151, 124020), (156, 120045), (159, 117780), (180, 104039), (195, 96036), (212, 88335), (234, 80030), (260, 72027), (265, 70668), (302, 62010), (318, 58890), (390, 48018), (453, 41340), (468, 40015), (477, 39260), (530, 35334), (585, 32012), (604, 31005), (636, 29445), (689, 27180), (755, 24804), (780, 24009), (795, 23556), (906, 20670), (954, 19630), (1060, 17667), (1170, 16006), (1359, 13780), (1378, 13590), (1510, 12402), (1590, 11778), (1812, 10335), (1908, 9815), (1963, 9540), (2067, 9060), (2265, 8268), (2340, 8003), (2385, 7852), (2718, 6890), (2756, 6795), (3020, 6201), (3180, 5889), (3445, 5436), (3926, 4770), (4134, 4530)]