1903629780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{18919}}^1$

素因数の和:18990

約数の個数: 144

約数和(自身を含む): 6363477120

約数和(自身を除く): 4459847340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 43, 45, 52, 60, 65, 78, 86, 90, 117, 129, 130, 156, 172, 180, 195, 215, 234, 258, 260, 387, 390, 430, 468, 516, 559, 585, 645, 774, 780, 860, 1118, 1170, 1290, 1548, 1677, 1935, 2236, 2340, 2580, 2795, 3354, 3870, 5031, 5590, 6708, 7740, 8385, 10062, 11180, 16770, 18919, 20124, 25155, 33540, 37838, 50310, 56757, 75676, 94595, 100620, 113514, 170271, 189190, 227028, 245947, 283785, 340542, 378380, 491894, 567570, 681084, 737841, 813517, 851355, 983788, 1135140, 1229735, 1475682, 1627034, 1702710, 2213523, 2440551, 2459470, 2951364, 3254068, 3405420, 3689205, 4067585, 4427046, 4881102, 4918940, 7321653, 7378410, 8135170, 8854092, 9762204, 10575721, 11067615, 12202755, 14643306, 14756820, 16270340, 21151442, 22135230, 24405510, 29286612, 31727163, 36608265, 42302884, 44270460, 48811020, 52878605, 63454326, 73216530, 95181489, 105757210, 126908652, 146433060, 158635815, 190362978, 211514420, 317271630, 380725956, 475907445, 634543260, 951814890, 1903629780]

約数ペア:

[(1, 1903629780), (2, 951814890), (3, 634543260), (4, 475907445), (5, 380725956), (6, 317271630), (9, 211514420), (10, 190362978), (12, 158635815), (13, 146433060), (15, 126908652), (18, 105757210), (20, 95181489), (26, 73216530), (30, 63454326), (36, 52878605), (39, 48811020), (43, 44270460), (45, 42302884), (52, 36608265), (60, 31727163), (65, 29286612), (78, 24405510), (86, 22135230), (90, 21151442), (117, 16270340), (129, 14756820), (130, 14643306), (156, 12202755), (172, 11067615), (180, 10575721), (195, 9762204), (215, 8854092), (234, 8135170), (258, 7378410), (260, 7321653), (387, 4918940), (390, 4881102), (430, 4427046), (468, 4067585), (516, 3689205), (559, 3405420), (585, 3254068), (645, 2951364), (774, 2459470), (780, 2440551), (860, 2213523), (1118, 1702710), (1170, 1627034), (1290, 1475682), (1548, 1229735), (1677, 1135140), (1935, 983788), (2236, 851355), (2340, 813517), (2580, 737841), (2795, 681084), (3354, 567570), (3870, 491894), (5031, 378380), (5590, 340542), (6708, 283785), (7740, 245947), (8385, 227028), (10062, 189190), (11180, 170271), (16770, 113514), (18919, 100620), (20124, 94595), (25155, 75676), (33540, 56757), (37838, 50310)]