31603040

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:197

約数の個数: 144

約数和(自身を含む): 90493200

約数和(自身を除く): 58890160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 139, 140, 145, 160, 196, 203, 224, 232, 245, 278, 280, 290, 392, 406, 464, 490, 556, 560, 580, 695, 784, 812, 928, 973, 980, 1015, 1112, 1120, 1160, 1390, 1421, 1568, 1624, 1946, 1960, 2030, 2224, 2320, 2780, 2842, 3248, 3892, 3920, 4031, 4060, 4448, 4640, 4865, 5560, 5684, 6496, 6811, 7105, 7784, 7840, 8062, 8120, 9730, 11120, 11368, 13622, 14210, 15568, 16124, 16240, 19460, 20155, 22240, 22736, 27244, 28217, 28420, 31136, 32248, 32480, 34055, 38920, 40310, 45472, 54488, 56434, 56840, 64496, 68110, 77840, 80620, 108976, 112868, 113680, 128992, 136220, 141085, 155680, 161240, 197519, 217952, 225736, 227360, 272440, 282170, 322480, 395038, 451472, 544880, 564340, 644960, 790076, 902944, 987595, 1089760, 1128680, 1580152, 1975190, 2257360, 3160304, 3950380, 4514720, 6320608, 7900760, 15801520, 31603040]

約数ペア:

[(1, 31603040), (2, 15801520), (4, 7900760), (5, 6320608), (7, 4514720), (8, 3950380), (10, 3160304), (14, 2257360), (16, 1975190), (20, 1580152), (28, 1128680), (29, 1089760), (32, 987595), (35, 902944), (40, 790076), (49, 644960), (56, 564340), (58, 544880), (70, 451472), (80, 395038), (98, 322480), (112, 282170), (116, 272440), (139, 227360), (140, 225736), (145, 217952), (160, 197519), (196, 161240), (203, 155680), (224, 141085), (232, 136220), (245, 128992), (278, 113680), (280, 112868), (290, 108976), (392, 80620), (406, 77840), (464, 68110), (490, 64496), (556, 56840), (560, 56434), (580, 54488), (695, 45472), (784, 40310), (812, 38920), (928, 34055), (973, 32480), (980, 32248), (1015, 31136), (1112, 28420), (1120, 28217), (1160, 27244), (1390, 22736), (1421, 22240), (1568, 20155), (1624, 19460), (1946, 16240), (1960, 16124), (2030, 15568), (2224, 14210), (2320, 13622), (2780, 11368), (2842, 11120), (3248, 9730), (3892, 8120), (3920, 8062), (4031, 7840), (4060, 7784), (4448, 7105), (4640, 6811), (4865, 6496), (5560, 5684)]