28893480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:144

約数の個数: 256

約数和(自身を含む): 111974400

約数和(自身を除く): 83080920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 53, 55, 56, 59, 60, 66, 70, 77, 84, 88, 105, 106, 110, 118, 120, 132, 140, 154, 159, 165, 168, 177, 210, 212, 220, 231, 236, 264, 265, 280, 295, 308, 318, 330, 354, 371, 385, 413, 420, 424, 440, 462, 472, 530, 583, 590, 616, 636, 649, 660, 708, 742, 770, 795, 826, 840, 885, 924, 1060, 1113, 1155, 1166, 1180, 1239, 1272, 1298, 1320, 1416, 1484, 1540, 1590, 1652, 1749, 1770, 1848, 1855, 1947, 2065, 2120, 2226, 2310, 2332, 2360, 2478, 2596, 2915, 2968, 3080, 3127, 3180, 3245, 3304, 3498, 3540, 3710, 3894, 4081, 4130, 4452, 4543, 4620, 4664, 4956, 5192, 5565, 5830, 6195, 6254, 6360, 6490, 6996, 7080, 7420, 7788, 8162, 8260, 8745, 8904, 9086, 9240, 9381, 9735, 9912, 11130, 11660, 12243, 12390, 12508, 12980, 13629, 13992, 14840, 15576, 15635, 16324, 16520, 17490, 18172, 18762, 19470, 20405, 21889, 22260, 22715, 23320, 24486, 24780, 25016, 25960, 27258, 31270, 32648, 34397, 34980, 36344, 37524, 38940, 40810, 43778, 44520, 45430, 46905, 48972, 49560, 54516, 61215, 62540, 65667, 68145, 68794, 69960, 75048, 77880, 81620, 87556, 90860, 93810, 97944, 103191, 109032, 109445, 122430, 125080, 131334, 136290, 137588, 163240, 171985, 175112, 181720, 187620, 206382, 218890, 240779, 244860, 262668, 272580, 275176, 328335, 343970, 375240, 412764, 437780, 481558, 489720, 515955, 525336, 545160, 656670, 687940, 722337, 825528, 875560, 963116, 1031910, 1203895, 1313340, 1375880, 1444674, 1926232, 2063820, 2407790, 2626680, 2889348, 3611685, 4127640, 4815580, 5778696, 7223370, 9631160, 14446740, 28893480]

約数ペア:

[(1, 28893480), (2, 14446740), (3, 9631160), (4, 7223370), (5, 5778696), (6, 4815580), (7, 4127640), (8, 3611685), (10, 2889348), (11, 2626680), (12, 2407790), (14, 2063820), (15, 1926232), (20, 1444674), (21, 1375880), (22, 1313340), (24, 1203895), (28, 1031910), (30, 963116), (33, 875560), (35, 825528), (40, 722337), (42, 687940), (44, 656670), (53, 545160), (55, 525336), (56, 515955), (59, 489720), (60, 481558), (66, 437780), (70, 412764), (77, 375240), (84, 343970), (88, 328335), (105, 275176), (106, 272580), (110, 262668), (118, 244860), (120, 240779), (132, 218890), (140, 206382), (154, 187620), (159, 181720), (165, 175112), (168, 171985), (177, 163240), (210, 137588), (212, 136290), (220, 131334), (231, 125080), (236, 122430), (264, 109445), (265, 109032), (280, 103191), (295, 97944), (308, 93810), (318, 90860), (330, 87556), (354, 81620), (371, 77880), (385, 75048), (413, 69960), (420, 68794), (424, 68145), (440, 65667), (462, 62540), (472, 61215), (530, 54516), (583, 49560), (590, 48972), (616, 46905), (636, 45430), (649, 44520), (660, 43778), (708, 40810), (742, 38940), (770, 37524), (795, 36344), (826, 34980), (840, 34397), (885, 32648), (924, 31270), (1060, 27258), (1113, 25960), (1155, 25016), (1166, 24780), (1180, 24486), (1239, 23320), (1272, 22715), (1298, 22260), (1320, 21889), (1416, 20405), (1484, 19470), (1540, 18762), (1590, 18172), (1652, 17490), (1749, 16520), (1770, 16324), (1848, 15635), (1855, 15576), (1947, 14840), (2065, 13992), (2120, 13629), (2226, 12980), (2310, 12508), (2332, 12390), (2360, 12243), (2478, 11660), (2596, 11130), (2915, 9912), (2968, 9735), (3080, 9381), (3127, 9240), (3180, 9086), (3245, 8904), (3304, 8745), (3498, 8260), (3540, 8162), (3710, 7788), (3894, 7420), (4081, 7080), (4130, 6996), (4452, 6490), (4543, 6360), (4620, 6254), (4664, 6195), (4956, 5830), (5192, 5565)]