402655680

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{19973}}^1$

素因数の和:20003

約数の個数: 168

約数和(自身を含む): 1582899552

約数和(自身を除く): 1180243872

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 19973, 20160, 39946, 59919, 79892, 99865, 119838, 139811, 159784, 179757, 199730, 239676, 279622, 299595, 319568, 359514, 399460, 419433, 479352, 559244, 599190, 639136, 699055, 719028, 798920, 838866, 898785, 958704, 1118488, 1198380, 1258299, 1278272, 1398110, 1438056, 1597840, 1677732, 1797570, 1917408, 2097165, 2236976, 2396760, 2516598, 2796220, 2876112, 3195680, 3355464, 3595140, 3834816, 4194330, 4473952, 4793520, 5033196, 5592440, 5752224, 6291495, 6391360, 6710928, 7190280, 8388660, 8947904, 9587040, 10066392, 11184880, 11504448, 12582990, 13421856, 14380560, 16777320, 19174080, 20132784, 22369760, 25165980, 26843712, 28761120, 33554640, 40265568, 44739520, 50331960, 57522240, 67109280, 80531136, 100663920, 134218560, 201327840, 402655680]

約数ペア:

[(1, 402655680), (2, 201327840), (3, 134218560), (4, 100663920), (5, 80531136), (6, 67109280), (7, 57522240), (8, 50331960), (9, 44739520), (10, 40265568), (12, 33554640), (14, 28761120), (15, 26843712), (16, 25165980), (18, 22369760), (20, 20132784), (21, 19174080), (24, 16777320), (28, 14380560), (30, 13421856), (32, 12582990), (35, 11504448), (36, 11184880), (40, 10066392), (42, 9587040), (45, 8947904), (48, 8388660), (56, 7190280), (60, 6710928), (63, 6391360), (64, 6291495), (70, 5752224), (72, 5592440), (80, 5033196), (84, 4793520), (90, 4473952), (96, 4194330), (105, 3834816), (112, 3595140), (120, 3355464), (126, 3195680), (140, 2876112), (144, 2796220), (160, 2516598), (168, 2396760), (180, 2236976), (192, 2097165), (210, 1917408), (224, 1797570), (240, 1677732), (252, 1597840), (280, 1438056), (288, 1398110), (315, 1278272), (320, 1258299), (336, 1198380), (360, 1118488), (420, 958704), (448, 898785), (480, 838866), (504, 798920), (560, 719028), (576, 699055), (630, 639136), (672, 599190), (720, 559244), (840, 479352), (960, 419433), (1008, 399460), (1120, 359514), (1260, 319568), (1344, 299595), (1440, 279622), (1680, 239676), (2016, 199730), (2240, 179757), (2520, 159784), (2880, 139811), (3360, 119838), (4032, 99865), (5040, 79892), (6720, 59919), (10080, 39946), (19973, 20160)]