1815978960

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{44249}}^1$

素因数の和:44290

約数の個数: 160

約数和(自身を含む): 6584400000

約数和(自身を除く): 4768421040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 108, 114, 120, 135, 144, 152, 171, 180, 190, 216, 228, 240, 270, 285, 304, 342, 360, 380, 432, 456, 513, 540, 570, 684, 720, 760, 855, 912, 1026, 1080, 1140, 1368, 1520, 1710, 2052, 2160, 2280, 2565, 2736, 3420, 4104, 4560, 5130, 6840, 8208, 10260, 13680, 20520, 41040, 44249, 88498, 132747, 176996, 221245, 265494, 353992, 398241, 442490, 530988, 663735, 707984, 796482, 840731, 884980, 1061976, 1194723, 1327470, 1592964, 1681462, 1769960, 1991205, 2123952, 2389446, 2522193, 2654940, 3185928, 3362924, 3539920, 3982410, 4203655, 4778892, 5044386, 5309880, 5973615, 6371856, 6725848, 7566579, 7964820, 8407310, 9557784, 10088772, 10619760, 11947230, 12610965, 13451696, 15133158, 15929640, 16814620, 19115568, 20177544, 22699737, 23894460, 25221930, 30266316, 31859280, 33629240, 37832895, 40355088, 45399474, 47788920, 50443860, 60532632, 67258480, 75665790, 90798948, 95577840, 100887720, 113498685, 121065264, 151331580, 181597896, 201775440, 226997370, 302663160, 363195792, 453994740, 605326320, 907989480, 1815978960]

約数ペア:

[(1, 1815978960), (2, 907989480), (3, 605326320), (4, 453994740), (5, 363195792), (6, 302663160), (8, 226997370), (9, 201775440), (10, 181597896), (12, 151331580), (15, 121065264), (16, 113498685), (18, 100887720), (19, 95577840), (20, 90798948), (24, 75665790), (27, 67258480), (30, 60532632), (36, 50443860), (38, 47788920), (40, 45399474), (45, 40355088), (48, 37832895), (54, 33629240), (57, 31859280), (60, 30266316), (72, 25221930), (76, 23894460), (80, 22699737), (90, 20177544), (95, 19115568), (108, 16814620), (114, 15929640), (120, 15133158), (135, 13451696), (144, 12610965), (152, 11947230), (171, 10619760), (180, 10088772), (190, 9557784), (216, 8407310), (228, 7964820), (240, 7566579), (270, 6725848), (285, 6371856), (304, 5973615), (342, 5309880), (360, 5044386), (380, 4778892), (432, 4203655), (456, 3982410), (513, 3539920), (540, 3362924), (570, 3185928), (684, 2654940), (720, 2522193), (760, 2389446), (855, 2123952), (912, 1991205), (1026, 1769960), (1080, 1681462), (1140, 1592964), (1368, 1327470), (1520, 1194723), (1710, 1061976), (2052, 884980), (2160, 840731), (2280, 796482), (2565, 707984), (2736, 663735), (3420, 530988), (4104, 442490), (4560, 398241), (5130, 353992), (6840, 265494), (8208, 221245), (10260, 176996), (13680, 132747), (20520, 88498), (41040, 44249)]