205023420

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{743}}^1$

素因数の和:841

約数の個数: 192

約数和(自身を含む): 739952640

約数和(自身を除く): 534929220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 73, 84, 90, 105, 108, 126, 135, 140, 146, 180, 189, 210, 219, 252, 270, 292, 315, 365, 378, 420, 438, 511, 540, 630, 657, 730, 743, 756, 876, 945, 1022, 1095, 1260, 1314, 1460, 1486, 1533, 1890, 1971, 2044, 2190, 2229, 2555, 2628, 2972, 3066, 3285, 3715, 3780, 3942, 4380, 4458, 4599, 5110, 5201, 6132, 6570, 6687, 7430, 7665, 7884, 8916, 9198, 9855, 10220, 10402, 11145, 13140, 13374, 13797, 14860, 15330, 15603, 18396, 19710, 20061, 20804, 22290, 22995, 26005, 26748, 27594, 30660, 31206, 33435, 39420, 40122, 44580, 45990, 46809, 52010, 54239, 55188, 62412, 66870, 68985, 78015, 80244, 91980, 93618, 100305, 104020, 108478, 133740, 137970, 140427, 156030, 162717, 187236, 200610, 216956, 234045, 271195, 275940, 280854, 312060, 325434, 379673, 401220, 468090, 488151, 542390, 561708, 650868, 702135, 759346, 813585, 936180, 976302, 1084780, 1139019, 1404270, 1464453, 1518692, 1627170, 1898365, 1952604, 2278038, 2440755, 2808540, 2928906, 3254340, 3417057, 3796730, 4556076, 4881510, 5695095, 5857812, 6834114, 7322265, 7593460, 9763020, 10251171, 11390190, 13668228, 14644530, 17085285, 20502342, 22780380, 29289060, 34170570, 41004684, 51255855, 68341140, 102511710, 205023420]

約数ペア:

[(1, 205023420), (2, 102511710), (3, 68341140), (4, 51255855), (5, 41004684), (6, 34170570), (7, 29289060), (9, 22780380), (10, 20502342), (12, 17085285), (14, 14644530), (15, 13668228), (18, 11390190), (20, 10251171), (21, 9763020), (27, 7593460), (28, 7322265), (30, 6834114), (35, 5857812), (36, 5695095), (42, 4881510), (45, 4556076), (54, 3796730), (60, 3417057), (63, 3254340), (70, 2928906), (73, 2808540), (84, 2440755), (90, 2278038), (105, 1952604), (108, 1898365), (126, 1627170), (135, 1518692), (140, 1464453), (146, 1404270), (180, 1139019), (189, 1084780), (210, 976302), (219, 936180), (252, 813585), (270, 759346), (292, 702135), (315, 650868), (365, 561708), (378, 542390), (420, 488151), (438, 468090), (511, 401220), (540, 379673), (630, 325434), (657, 312060), (730, 280854), (743, 275940), (756, 271195), (876, 234045), (945, 216956), (1022, 200610), (1095, 187236), (1260, 162717), (1314, 156030), (1460, 140427), (1486, 137970), (1533, 133740), (1890, 108478), (1971, 104020), (2044, 100305), (2190, 93618), (2229, 91980), (2555, 80244), (2628, 78015), (2972, 68985), (3066, 66870), (3285, 62412), (3715, 55188), (3780, 54239), (3942, 52010), (4380, 46809), (4458, 45990), (4599, 44580), (5110, 40122), (5201, 39420), (6132, 33435), (6570, 31206), (6687, 30660), (7430, 27594), (7665, 26748), (7884, 26005), (8916, 22995), (9198, 22290), (9855, 20804), (10220, 20061), (10402, 19710), (11145, 18396), (13140, 15603), (13374, 15330), (13797, 14860)]