131585220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1061}}^1$

素因数の和:1142

約数の個数: 144

約数和(自身を含む): 438368112

約数和(自身を除く): 306782892

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, 156, 159, 180, 195, 212, 234, 260, 265, 318, 390, 468, 477, 530, 585, 636, 689, 780, 795, 954, 1060, 1061, 1170, 1378, 1590, 1908, 2067, 2122, 2340, 2385, 2756, 3180, 3183, 3445, 4134, 4244, 4770, 5305, 6201, 6366, 6890, 8268, 9540, 9549, 10335, 10610, 12402, 12732, 13780, 13793, 15915, 19098, 20670, 21220, 24804, 27586, 31005, 31830, 38196, 41340, 41379, 47745, 55172, 56233, 62010, 63660, 68965, 82758, 95490, 112466, 124020, 124137, 137930, 165516, 168699, 190980, 206895, 224932, 248274, 275860, 281165, 337398, 413790, 496548, 506097, 562330, 620685, 674796, 731029, 827580, 843495, 1012194, 1124660, 1241370, 1462058, 1686990, 2024388, 2193087, 2482740, 2530485, 2924116, 3373980, 3655145, 4386174, 5060970, 6579261, 7310290, 8772348, 10121940, 10965435, 13158522, 14620580, 21930870, 26317044, 32896305, 43861740, 65792610, 131585220]

約数ペア:

[(1, 131585220), (2, 65792610), (3, 43861740), (4, 32896305), (5, 26317044), (6, 21930870), (9, 14620580), (10, 13158522), (12, 10965435), (13, 10121940), (15, 8772348), (18, 7310290), (20, 6579261), (26, 5060970), (30, 4386174), (36, 3655145), (39, 3373980), (45, 2924116), (52, 2530485), (53, 2482740), (60, 2193087), (65, 2024388), (78, 1686990), (90, 1462058), (106, 1241370), (117, 1124660), (130, 1012194), (156, 843495), (159, 827580), (180, 731029), (195, 674796), (212, 620685), (234, 562330), (260, 506097), (265, 496548), (318, 413790), (390, 337398), (468, 281165), (477, 275860), (530, 248274), (585, 224932), (636, 206895), (689, 190980), (780, 168699), (795, 165516), (954, 137930), (1060, 124137), (1061, 124020), (1170, 112466), (1378, 95490), (1590, 82758), (1908, 68965), (2067, 63660), (2122, 62010), (2340, 56233), (2385, 55172), (2756, 47745), (3180, 41379), (3183, 41340), (3445, 38196), (4134, 31830), (4244, 31005), (4770, 27586), (5305, 24804), (6201, 21220), (6366, 20670), (6890, 19098), (8268, 15915), (9540, 13793), (9549, 13780), (10335, 12732), (10610, 12402)]