1980726400

素因数分解:

$2^7\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:583

約数の個数: 192

約数和(自身を含む): 5184668160

約数和(自身を除く): 3203941760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 41, 50, 62, 64, 80, 82, 100, 124, 128, 155, 160, 164, 200, 205, 248, 310, 320, 328, 400, 410, 487, 496, 620, 640, 656, 775, 800, 820, 974, 992, 1025, 1240, 1271, 1312, 1550, 1600, 1640, 1948, 1984, 2050, 2435, 2480, 2542, 2624, 3100, 3200, 3280, 3896, 3968, 4100, 4870, 4960, 5084, 5248, 6200, 6355, 6560, 7792, 8200, 9740, 9920, 10168, 12175, 12400, 12710, 13120, 15097, 15584, 16400, 19480, 19840, 19967, 20336, 24350, 24800, 25420, 26240, 30194, 31168, 31775, 32800, 38960, 39934, 40672, 48700, 49600, 50840, 60388, 62336, 63550, 65600, 75485, 77920, 79868, 81344, 97400, 99200, 99835, 101680, 120776, 127100, 131200, 150970, 155840, 159736, 162688, 194800, 199670, 203360, 241552, 254200, 301940, 311680, 319472, 377425, 389600, 399340, 406720, 483104, 499175, 508400, 603880, 618977, 638944, 754850, 779200, 798680, 813440, 966208, 998350, 1016800, 1207760, 1237954, 1277888, 1509700, 1558400, 1597360, 1932416, 1996700, 2033600, 2415520, 2475908, 2555776, 3019400, 3094885, 3194720, 3993400, 4067200, 4831040, 4951816, 6038800, 6189770, 6389440, 7986800, 9662080, 9903632, 12077600, 12379540, 12778880, 15474425, 15973600, 19807264, 24155200, 24759080, 30948850, 31947200, 39614528, 48310400, 49518160, 61897700, 63894400, 79229056, 99036320, 123795400, 198072640, 247590800, 396145280, 495181600, 990363200, 1980726400]

約数ペア:

[(1, 1980726400), (2, 990363200), (4, 495181600), (5, 396145280), (8, 247590800), (10, 198072640), (16, 123795400), (20, 99036320), (25, 79229056), (31, 63894400), (32, 61897700), (40, 49518160), (41, 48310400), (50, 39614528), (62, 31947200), (64, 30948850), (80, 24759080), (82, 24155200), (100, 19807264), (124, 15973600), (128, 15474425), (155, 12778880), (160, 12379540), (164, 12077600), (200, 9903632), (205, 9662080), (248, 7986800), (310, 6389440), (320, 6189770), (328, 6038800), (400, 4951816), (410, 4831040), (487, 4067200), (496, 3993400), (620, 3194720), (640, 3094885), (656, 3019400), (775, 2555776), (800, 2475908), (820, 2415520), (974, 2033600), (992, 1996700), (1025, 1932416), (1240, 1597360), (1271, 1558400), (1312, 1509700), (1550, 1277888), (1600, 1237954), (1640, 1207760), (1948, 1016800), (1984, 998350), (2050, 966208), (2435, 813440), (2480, 798680), (2542, 779200), (2624, 754850), (3100, 638944), (3200, 618977), (3280, 603880), (3896, 508400), (3968, 499175), (4100, 483104), (4870, 406720), (4960, 399340), (5084, 389600), (5248, 377425), (6200, 319472), (6355, 311680), (6560, 301940), (7792, 254200), (8200, 241552), (9740, 203360), (9920, 199670), (10168, 194800), (12175, 162688), (12400, 159736), (12710, 155840), (13120, 150970), (15097, 131200), (15584, 127100), (16400, 120776), (19480, 101680), (19840, 99835), (19967, 99200), (20336, 97400), (24350, 81344), (24800, 79868), (25420, 77920), (26240, 75485), (30194, 65600), (31168, 63550), (31775, 62336), (32800, 60388), (38960, 50840), (39934, 49600), (40672, 48700)]