1520683380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{12781}}^1$

素因数の和:13457

約数の個数: 72

約数和(自身を含む): 4620079464

約数和(自身を除く): 3099396084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 661, 1322, 1983, 2644, 3305, 3966, 5949, 6610, 7932, 9915, 11898, 12781, 13220, 19830, 23796, 25562, 29745, 38343, 39660, 51124, 59490, 63905, 76686, 115029, 118980, 127810, 153372, 191715, 230058, 255620, 383430, 460116, 575145, 766860, 1150290, 2300580, 8448241, 16896482, 25344723, 33792964, 42241205, 50689446, 76034169, 84482410, 101378892, 126723615, 152068338, 168964820, 253447230, 304136676, 380170845, 506894460, 760341690, 1520683380]

約数ペア:

[(1, 1520683380), (2, 760341690), (3, 506894460), (4, 380170845), (5, 304136676), (6, 253447230), (9, 168964820), (10, 152068338), (12, 126723615), (15, 101378892), (18, 84482410), (20, 76034169), (30, 50689446), (36, 42241205), (45, 33792964), (60, 25344723), (90, 16896482), (180, 8448241), (661, 2300580), (1322, 1150290), (1983, 766860), (2644, 575145), (3305, 460116), (3966, 383430), (5949, 255620), (6610, 230058), (7932, 191715), (9915, 153372), (11898, 127810), (12781, 118980), (13220, 115029), (19830, 76686), (23796, 63905), (25562, 59490), (29745, 51124), (38343, 39660)]