990821880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8521}}^1$

素因数の和:8574

約数の個数: 192

約数和(自身を含む): 3589466400

約数和(自身を除く): 2598644520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 19, 20, 24, 30, 34, 36, 38, 40, 45, 51, 57, 60, 68, 72, 76, 85, 90, 95, 102, 114, 120, 136, 152, 153, 170, 171, 180, 190, 204, 228, 255, 285, 306, 323, 340, 342, 360, 380, 408, 456, 510, 570, 612, 646, 680, 684, 760, 765, 855, 969, 1020, 1140, 1224, 1292, 1368, 1530, 1615, 1710, 1938, 2040, 2280, 2584, 2907, 3060, 3230, 3420, 3876, 4845, 5814, 6120, 6460, 6840, 7752, 8521, 9690, 11628, 12920, 14535, 17042, 19380, 23256, 25563, 29070, 34084, 38760, 42605, 51126, 58140, 68168, 76689, 85210, 102252, 116280, 127815, 144857, 153378, 161899, 170420, 204504, 255630, 289714, 306756, 323798, 340840, 383445, 434571, 485697, 511260, 579428, 613512, 647596, 724285, 766890, 809495, 869142, 971394, 1022520, 1158856, 1295192, 1303713, 1448570, 1457091, 1533780, 1618990, 1738284, 1942788, 2172855, 2428485, 2607426, 2752283, 2897140, 2914182, 3067560, 3237980, 3476568, 3885576, 4345710, 4856970, 5214852, 5504566, 5794280, 5828364, 6475960, 6518565, 7285455, 8256849, 8691420, 9713940, 10429704, 11009132, 11656728, 13037130, 13761415, 14570910, 16513698, 17382840, 19427880, 22018264, 24770547, 26074260, 27522830, 29141820, 33027396, 41284245, 49541094, 52148520, 55045660, 58283640, 66054792, 82568490, 99082188, 110091320, 123852735, 165136980, 198164376, 247705470, 330273960, 495410940, 990821880]

約数ペア:

[(1, 990821880), (2, 495410940), (3, 330273960), (4, 247705470), (5, 198164376), (6, 165136980), (8, 123852735), (9, 110091320), (10, 99082188), (12, 82568490), (15, 66054792), (17, 58283640), (18, 55045660), (19, 52148520), (20, 49541094), (24, 41284245), (30, 33027396), (34, 29141820), (36, 27522830), (38, 26074260), (40, 24770547), (45, 22018264), (51, 19427880), (57, 17382840), (60, 16513698), (68, 14570910), (72, 13761415), (76, 13037130), (85, 11656728), (90, 11009132), (95, 10429704), (102, 9713940), (114, 8691420), (120, 8256849), (136, 7285455), (152, 6518565), (153, 6475960), (170, 5828364), (171, 5794280), (180, 5504566), (190, 5214852), (204, 4856970), (228, 4345710), (255, 3885576), (285, 3476568), (306, 3237980), (323, 3067560), (340, 2914182), (342, 2897140), (360, 2752283), (380, 2607426), (408, 2428485), (456, 2172855), (510, 1942788), (570, 1738284), (612, 1618990), (646, 1533780), (680, 1457091), (684, 1448570), (760, 1303713), (765, 1295192), (855, 1158856), (969, 1022520), (1020, 971394), (1140, 869142), (1224, 809495), (1292, 766890), (1368, 724285), (1530, 647596), (1615, 613512), (1710, 579428), (1938, 511260), (2040, 485697), (2280, 434571), (2584, 383445), (2907, 340840), (3060, 323798), (3230, 306756), (3420, 289714), (3876, 255630), (4845, 204504), (5814, 170420), (6120, 161899), (6460, 153378), (6840, 144857), (7752, 127815), (8521, 116280), (9690, 102252), (11628, 85210), (12920, 76689), (14535, 68168), (17042, 58140), (19380, 51126), (23256, 42605), (25563, 38760), (29070, 34084)]