74989980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:540

約数の個数: 144

約数和(自身を含む): 248888640

約数和(自身を除く): 173898660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 73, 78, 90, 117, 130, 146, 156, 180, 195, 219, 234, 260, 292, 365, 390, 438, 439, 468, 585, 657, 730, 780, 876, 878, 949, 1095, 1170, 1314, 1317, 1460, 1756, 1898, 2190, 2195, 2340, 2628, 2634, 2847, 3285, 3796, 3951, 4380, 4390, 4745, 5268, 5694, 5707, 6570, 6585, 7902, 8541, 8780, 9490, 11388, 11414, 13140, 13170, 14235, 15804, 17082, 17121, 18980, 19755, 22828, 26340, 28470, 28535, 32047, 34164, 34242, 39510, 42705, 51363, 56940, 57070, 64094, 68484, 79020, 85410, 85605, 96141, 102726, 114140, 128188, 160235, 170820, 171210, 192282, 205452, 256815, 288423, 320470, 342420, 384564, 416611, 480705, 513630, 576846, 640940, 833222, 961410, 1027260, 1153692, 1249833, 1442115, 1666444, 1922820, 2083055, 2499666, 2884230, 3749499, 4166110, 4999332, 5768460, 6249165, 7498998, 8332220, 12498330, 14997996, 18747495, 24996660, 37494990, 74989980]

約数ペア:

[(1, 74989980), (2, 37494990), (3, 24996660), (4, 18747495), (5, 14997996), (6, 12498330), (9, 8332220), (10, 7498998), (12, 6249165), (13, 5768460), (15, 4999332), (18, 4166110), (20, 3749499), (26, 2884230), (30, 2499666), (36, 2083055), (39, 1922820), (45, 1666444), (52, 1442115), (60, 1249833), (65, 1153692), (73, 1027260), (78, 961410), (90, 833222), (117, 640940), (130, 576846), (146, 513630), (156, 480705), (180, 416611), (195, 384564), (219, 342420), (234, 320470), (260, 288423), (292, 256815), (365, 205452), (390, 192282), (438, 171210), (439, 170820), (468, 160235), (585, 128188), (657, 114140), (730, 102726), (780, 96141), (876, 85605), (878, 85410), (949, 79020), (1095, 68484), (1170, 64094), (1314, 57070), (1317, 56940), (1460, 51363), (1756, 42705), (1898, 39510), (2190, 34242), (2195, 34164), (2340, 32047), (2628, 28535), (2634, 28470), (2847, 26340), (3285, 22828), (3796, 19755), (3951, 18980), (4380, 17121), (4390, 17082), (4745, 15804), (5268, 14235), (5694, 13170), (5707, 13140), (6570, 11414), (6585, 11388), (7902, 9490), (8541, 8780)]