687236940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{439}}^1$

素因数の和:693

約数の個数: 192

約数和(自身を含む): 2318131200

約数和(自身を除く): 1630894260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 223, 234, 260, 270, 351, 390, 439, 446, 468, 540, 585, 669, 702, 780, 878, 892, 1115, 1170, 1317, 1338, 1404, 1755, 1756, 2007, 2195, 2230, 2340, 2634, 2676, 2899, 3345, 3510, 3951, 4014, 4390, 4460, 5268, 5707, 5798, 6021, 6585, 6690, 7020, 7902, 8028, 8697, 8780, 10035, 11414, 11596, 11853, 12042, 13170, 13380, 14495, 15804, 17121, 17394, 19755, 20070, 22828, 23706, 24084, 26091, 26340, 28535, 28990, 30105, 34242, 34788, 39510, 40140, 43485, 47412, 51363, 52182, 57070, 57980, 59265, 60210, 68484, 78273, 79020, 85605, 86970, 97897, 102726, 104364, 114140, 118530, 120420, 130455, 154089, 156546, 171210, 173940, 195794, 205452, 237060, 256815, 260910, 293691, 308178, 313092, 342420, 391365, 391588, 489485, 513630, 521820, 587382, 616356, 770445, 782730, 881073, 978970, 1027260, 1174764, 1272661, 1468455, 1540890, 1565460, 1762146, 1957940, 2545322, 2643219, 2936910, 3081780, 3524292, 3817983, 4405365, 5090644, 5286438, 5873820, 6363305, 7635966, 8810730, 10572876, 11453949, 12726610, 13216095, 15271932, 17621460, 19089915, 22907898, 25453220, 26432190, 34361847, 38179830, 45815796, 52864380, 57269745, 68723694, 76359660, 114539490, 137447388, 171809235, 229078980, 343618470, 687236940]

約数ペア:

[(1, 687236940), (2, 343618470), (3, 229078980), (4, 171809235), (5, 137447388), (6, 114539490), (9, 76359660), (10, 68723694), (12, 57269745), (13, 52864380), (15, 45815796), (18, 38179830), (20, 34361847), (26, 26432190), (27, 25453220), (30, 22907898), (36, 19089915), (39, 17621460), (45, 15271932), (52, 13216095), (54, 12726610), (60, 11453949), (65, 10572876), (78, 8810730), (90, 7635966), (108, 6363305), (117, 5873820), (130, 5286438), (135, 5090644), (156, 4405365), (180, 3817983), (195, 3524292), (223, 3081780), (234, 2936910), (260, 2643219), (270, 2545322), (351, 1957940), (390, 1762146), (439, 1565460), (446, 1540890), (468, 1468455), (540, 1272661), (585, 1174764), (669, 1027260), (702, 978970), (780, 881073), (878, 782730), (892, 770445), (1115, 616356), (1170, 587382), (1317, 521820), (1338, 513630), (1404, 489485), (1755, 391588), (1756, 391365), (2007, 342420), (2195, 313092), (2230, 308178), (2340, 293691), (2634, 260910), (2676, 256815), (2899, 237060), (3345, 205452), (3510, 195794), (3951, 173940), (4014, 171210), (4390, 156546), (4460, 154089), (5268, 130455), (5707, 120420), (5798, 118530), (6021, 114140), (6585, 104364), (6690, 102726), (7020, 97897), (7902, 86970), (8028, 85605), (8697, 79020), (8780, 78273), (10035, 68484), (11414, 60210), (11596, 59265), (11853, 57980), (12042, 57070), (13170, 52182), (13380, 51363), (14495, 47412), (15804, 43485), (17121, 40140), (17394, 39510), (19755, 34788), (20070, 34242), (22828, 30105), (23706, 28990), (24084, 28535), (26091, 26340)]