20430900

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:100

約数の個数: 288

約数和(自身を含む): 79994880

約数和(自身を除く): 59563980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 25, 27, 28, 30, 35, 36, 42, 45, 46, 47, 50, 54, 60, 63, 69, 70, 75, 84, 90, 92, 94, 100, 105, 108, 115, 126, 135, 138, 140, 141, 150, 161, 175, 180, 188, 189, 207, 210, 225, 230, 235, 252, 270, 276, 282, 300, 315, 322, 329, 345, 350, 378, 414, 420, 423, 450, 460, 470, 483, 525, 540, 564, 575, 621, 630, 644, 658, 675, 690, 700, 705, 756, 805, 828, 846, 900, 940, 945, 966, 987, 1035, 1050, 1081, 1150, 1175, 1242, 1260, 1269, 1316, 1350, 1380, 1410, 1449, 1575, 1610, 1645, 1692, 1725, 1890, 1932, 1974, 2070, 2100, 2115, 2162, 2300, 2350, 2415, 2484, 2538, 2700, 2820, 2898, 2961, 3105, 3150, 3220, 3243, 3290, 3450, 3525, 3780, 3948, 4025, 4140, 4230, 4324, 4347, 4700, 4725, 4830, 4935, 5076, 5175, 5405, 5796, 5922, 6210, 6300, 6345, 6486, 6580, 6900, 7050, 7245, 7567, 8050, 8225, 8460, 8694, 8883, 9450, 9660, 9729, 9870, 10350, 10575, 10810, 11844, 12075, 12420, 12690, 12972, 14100, 14490, 14805, 15134, 15525, 16100, 16215, 16450, 17388, 17766, 18900, 19458, 19740, 20700, 21150, 21620, 21735, 22701, 24150, 24675, 25380, 27025, 28980, 29187, 29610, 30268, 31050, 31725, 32430, 32900, 35532, 36225, 37835, 38916, 42300, 43470, 44415, 45402, 48300, 48645, 49350, 54050, 58374, 59220, 62100, 63450, 64860, 68103, 72450, 74025, 75670, 81075, 86940, 88830, 90804, 97290, 98700, 108100, 108675, 113505, 116748, 126900, 136206, 144900, 145935, 148050, 151340, 162150, 177660, 189175, 194580, 204309, 217350, 222075, 227010, 243225, 272412, 291870, 296100, 324300, 340515, 378350, 408618, 434700, 444150, 454020, 486450, 567525, 583740, 681030, 729675, 756700, 817236, 888300, 972900, 1021545, 1135050, 1362060, 1459350, 1702575, 2043090, 2270100, 2918700, 3405150, 4086180, 5107725, 6810300, 10215450, 20430900]

約数ペア:

[(1, 20430900), (2, 10215450), (3, 6810300), (4, 5107725), (5, 4086180), (6, 3405150), (7, 2918700), (9, 2270100), (10, 2043090), (12, 1702575), (14, 1459350), (15, 1362060), (18, 1135050), (20, 1021545), (21, 972900), (23, 888300), (25, 817236), (27, 756700), (28, 729675), (30, 681030), (35, 583740), (36, 567525), (42, 486450), (45, 454020), (46, 444150), (47, 434700), (50, 408618), (54, 378350), (60, 340515), (63, 324300), (69, 296100), (70, 291870), (75, 272412), (84, 243225), (90, 227010), (92, 222075), (94, 217350), (100, 204309), (105, 194580), (108, 189175), (115, 177660), (126, 162150), (135, 151340), (138, 148050), (140, 145935), (141, 144900), (150, 136206), (161, 126900), (175, 116748), (180, 113505), (188, 108675), (189, 108100), (207, 98700), (210, 97290), (225, 90804), (230, 88830), (235, 86940), (252, 81075), (270, 75670), (276, 74025), (282, 72450), (300, 68103), (315, 64860), (322, 63450), (329, 62100), (345, 59220), (350, 58374), (378, 54050), (414, 49350), (420, 48645), (423, 48300), (450, 45402), (460, 44415), (470, 43470), (483, 42300), (525, 38916), (540, 37835), (564, 36225), (575, 35532), (621, 32900), (630, 32430), (644, 31725), (658, 31050), (675, 30268), (690, 29610), (700, 29187), (705, 28980), (756, 27025), (805, 25380), (828, 24675), (846, 24150), (900, 22701), (940, 21735), (945, 21620), (966, 21150), (987, 20700), (1035, 19740), (1050, 19458), (1081, 18900), (1150, 17766), (1175, 17388), (1242, 16450), (1260, 16215), (1269, 16100), (1316, 15525), (1350, 15134), (1380, 14805), (1410, 14490), (1449, 14100), (1575, 12972), (1610, 12690), (1645, 12420), (1692, 12075), (1725, 11844), (1890, 10810), (1932, 10575), (1974, 10350), (2070, 9870), (2100, 9729), (2115, 9660), (2162, 9450), (2300, 8883), (2350, 8694), (2415, 8460), (2484, 8225), (2538, 8050), (2700, 7567), (2820, 7245), (2898, 7050), (2961, 6900), (3105, 6580), (3150, 6486), (3220, 6345), (3243, 6300), (3290, 6210), (3450, 5922), (3525, 5796), (3780, 5405), (3948, 5175), (4025, 5076), (4140, 4935), (4230, 4830), (4324, 4725), (4347, 4700)]