31141890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:688

約数の個数: 96

約数和(自身を含む): 89369280

約数和(自身を除く): 58227390

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 43, 45, 65, 78, 86, 90, 117, 129, 130, 195, 215, 234, 258, 387, 390, 430, 559, 585, 619, 645, 774, 1118, 1170, 1238, 1290, 1677, 1857, 1935, 2795, 3095, 3354, 3714, 3870, 5031, 5571, 5590, 6190, 8047, 8385, 9285, 10062, 11142, 16094, 16770, 18570, 24141, 25155, 26617, 27855, 40235, 48282, 50310, 53234, 55710, 72423, 79851, 80470, 120705, 133085, 144846, 159702, 239553, 241410, 266170, 346021, 362115, 399255, 479106, 692042, 724230, 798510, 1038063, 1197765, 1730105, 2076126, 2395530, 3114189, 3460210, 5190315, 6228378, 10380630, 15570945, 31141890]

約数ペア:

[(1, 31141890), (2, 15570945), (3, 10380630), (5, 6228378), (6, 5190315), (9, 3460210), (10, 3114189), (13, 2395530), (15, 2076126), (18, 1730105), (26, 1197765), (30, 1038063), (39, 798510), (43, 724230), (45, 692042), (65, 479106), (78, 399255), (86, 362115), (90, 346021), (117, 266170), (129, 241410), (130, 239553), (195, 159702), (215, 144846), (234, 133085), (258, 120705), (387, 80470), (390, 79851), (430, 72423), (559, 55710), (585, 53234), (619, 50310), (645, 48282), (774, 40235), (1118, 27855), (1170, 26617), (1238, 25155), (1290, 24141), (1677, 18570), (1857, 16770), (1935, 16094), (2795, 11142), (3095, 10062), (3354, 9285), (3714, 8385), (3870, 8047), (5031, 6190), (5571, 5590)]