1809440820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{39733}}^1$

素因数の和:39782

約数の個数: 144

約数和(自身を含む): 6248092032

約数和(自身を除く): 4438651212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 30, 33, 36, 44, 45, 46, 55, 60, 66, 69, 90, 92, 99, 110, 115, 132, 138, 165, 180, 198, 207, 220, 230, 253, 276, 330, 345, 396, 414, 460, 495, 506, 660, 690, 759, 828, 990, 1012, 1035, 1265, 1380, 1518, 1980, 2070, 2277, 2530, 3036, 3795, 4140, 4554, 5060, 7590, 9108, 11385, 15180, 22770, 39733, 45540, 79466, 119199, 158932, 198665, 238398, 357597, 397330, 437063, 476796, 595995, 715194, 794660, 874126, 913859, 1191990, 1311189, 1430388, 1748252, 1787985, 1827718, 2185315, 2383980, 2622378, 2741577, 3575970, 3655436, 3933567, 4370630, 4569295, 5244756, 5483154, 6555945, 7151940, 7867134, 8224731, 8741260, 9138590, 10052449, 10966308, 13111890, 13707885, 15734268, 16449462, 18277180, 19667835, 20104898, 26223780, 27415770, 30157347, 32898924, 39335670, 40209796, 41123655, 50262245, 54831540, 60314694, 78671340, 82247310, 90472041, 100524490, 120629388, 150786735, 164494620, 180944082, 201048980, 301573470, 361888164, 452360205, 603146940, 904720410, 1809440820]

約数ペア:

[(1, 1809440820), (2, 904720410), (3, 603146940), (4, 452360205), (5, 361888164), (6, 301573470), (9, 201048980), (10, 180944082), (11, 164494620), (12, 150786735), (15, 120629388), (18, 100524490), (20, 90472041), (22, 82247310), (23, 78671340), (30, 60314694), (33, 54831540), (36, 50262245), (44, 41123655), (45, 40209796), (46, 39335670), (55, 32898924), (60, 30157347), (66, 27415770), (69, 26223780), (90, 20104898), (92, 19667835), (99, 18277180), (110, 16449462), (115, 15734268), (132, 13707885), (138, 13111890), (165, 10966308), (180, 10052449), (198, 9138590), (207, 8741260), (220, 8224731), (230, 7867134), (253, 7151940), (276, 6555945), (330, 5483154), (345, 5244756), (396, 4569295), (414, 4370630), (460, 3933567), (495, 3655436), (506, 3575970), (660, 2741577), (690, 2622378), (759, 2383980), (828, 2185315), (990, 1827718), (1012, 1787985), (1035, 1748252), (1265, 1430388), (1380, 1311189), (1518, 1191990), (1980, 913859), (2070, 874126), (2277, 794660), (2530, 715194), (3036, 595995), (3795, 476796), (4140, 437063), (4554, 397330), (5060, 357597), (7590, 238398), (9108, 198665), (11385, 158932), (15180, 119199), (22770, 79466), (39733, 45540)]