17438940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 57788640

約数和(自身を除く): 40349700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 41, 45, 51, 60, 68, 82, 85, 90, 102, 123, 139, 153, 164, 170, 180, 204, 205, 246, 255, 278, 306, 340, 369, 410, 417, 492, 510, 556, 612, 615, 695, 697, 738, 765, 820, 834, 1020, 1230, 1251, 1390, 1394, 1476, 1530, 1668, 1845, 2085, 2091, 2363, 2460, 2502, 2780, 2788, 3060, 3485, 3690, 4170, 4182, 4726, 5004, 5699, 6255, 6273, 6970, 7089, 7380, 8340, 8364, 9452, 10455, 11398, 11815, 12510, 12546, 13940, 14178, 17097, 20910, 21267, 22796, 23630, 25020, 25092, 28356, 28495, 31365, 34194, 35445, 41820, 42534, 47260, 51291, 56990, 62730, 68388, 70890, 85068, 85485, 96883, 102582, 106335, 113980, 125460, 141780, 170970, 193766, 205164, 212670, 256455, 290649, 341940, 387532, 425340, 484415, 512910, 581298, 871947, 968830, 1025820, 1162596, 1453245, 1743894, 1937660, 2906490, 3487788, 4359735, 5812980, 8719470, 17438940]

約数ペア:

[(1, 17438940), (2, 8719470), (3, 5812980), (4, 4359735), (5, 3487788), (6, 2906490), (9, 1937660), (10, 1743894), (12, 1453245), (15, 1162596), (17, 1025820), (18, 968830), (20, 871947), (30, 581298), (34, 512910), (36, 484415), (41, 425340), (45, 387532), (51, 341940), (60, 290649), (68, 256455), (82, 212670), (85, 205164), (90, 193766), (102, 170970), (123, 141780), (139, 125460), (153, 113980), (164, 106335), (170, 102582), (180, 96883), (204, 85485), (205, 85068), (246, 70890), (255, 68388), (278, 62730), (306, 56990), (340, 51291), (369, 47260), (410, 42534), (417, 41820), (492, 35445), (510, 34194), (556, 31365), (612, 28495), (615, 28356), (695, 25092), (697, 25020), (738, 23630), (765, 22796), (820, 21267), (834, 20910), (1020, 17097), (1230, 14178), (1251, 13940), (1390, 12546), (1394, 12510), (1476, 11815), (1530, 11398), (1668, 10455), (1845, 9452), (2085, 8364), (2091, 8340), (2363, 7380), (2460, 7089), (2502, 6970), (2780, 6273), (2788, 6255), (3060, 5699), (3485, 5004), (3690, 4726), (4170, 4182)]