77991840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1321}}^1$

素因数の和:1383

約数の個数: 144

約数和(自身を含む): 272844936

約数和(自身を除く): 194853096

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 41, 45, 48, 60, 72, 80, 82, 90, 96, 120, 123, 144, 160, 164, 180, 205, 240, 246, 288, 328, 360, 369, 410, 480, 492, 615, 656, 720, 738, 820, 984, 1230, 1312, 1321, 1440, 1476, 1640, 1845, 1968, 2460, 2642, 2952, 3280, 3690, 3936, 3963, 4920, 5284, 5904, 6560, 6605, 7380, 7926, 9840, 10568, 11808, 11889, 13210, 14760, 15852, 19680, 19815, 21136, 23778, 26420, 29520, 31704, 39630, 42272, 47556, 52840, 54161, 59040, 59445, 63408, 79260, 95112, 105680, 108322, 118890, 126816, 158520, 162483, 190224, 211360, 216644, 237780, 270805, 317040, 324966, 380448, 433288, 475560, 487449, 541610, 634080, 649932, 812415, 866576, 951120, 974898, 1083220, 1299864, 1624830, 1733152, 1902240, 1949796, 2166440, 2437245, 2599728, 3249660, 3899592, 4332880, 4874490, 5199456, 6499320, 7799184, 8665760, 9748980, 12998640, 15598368, 19497960, 25997280, 38995920, 77991840]

約数ペア:

[(1, 77991840), (2, 38995920), (3, 25997280), (4, 19497960), (5, 15598368), (6, 12998640), (8, 9748980), (9, 8665760), (10, 7799184), (12, 6499320), (15, 5199456), (16, 4874490), (18, 4332880), (20, 3899592), (24, 3249660), (30, 2599728), (32, 2437245), (36, 2166440), (40, 1949796), (41, 1902240), (45, 1733152), (48, 1624830), (60, 1299864), (72, 1083220), (80, 974898), (82, 951120), (90, 866576), (96, 812415), (120, 649932), (123, 634080), (144, 541610), (160, 487449), (164, 475560), (180, 433288), (205, 380448), (240, 324966), (246, 317040), (288, 270805), (328, 237780), (360, 216644), (369, 211360), (410, 190224), (480, 162483), (492, 158520), (615, 126816), (656, 118890), (720, 108322), (738, 105680), (820, 95112), (984, 79260), (1230, 63408), (1312, 59445), (1321, 59040), (1440, 54161), (1476, 52840), (1640, 47556), (1845, 42272), (1968, 39630), (2460, 31704), (2642, 29520), (2952, 26420), (3280, 23778), (3690, 21136), (3936, 19815), (3963, 19680), (4920, 15852), (5284, 14760), (5904, 13210), (6560, 11889), (6605, 11808), (7380, 10568), (7926, 9840)]