78518580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1571}}^1$

素因数の和:1614

約数の個数: 144

約数和(自身を含む): 270962496

約数和(自身を除く): 192443916

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 49, 51, 60, 68, 70, 84, 85, 98, 102, 105, 119, 140, 147, 170, 196, 204, 210, 238, 245, 255, 294, 340, 357, 420, 476, 490, 510, 588, 595, 714, 735, 833, 980, 1020, 1190, 1428, 1470, 1571, 1666, 1785, 2380, 2499, 2940, 3142, 3332, 3570, 4165, 4713, 4998, 6284, 7140, 7855, 8330, 9426, 9996, 10997, 12495, 15710, 16660, 18852, 21994, 23565, 24990, 26707, 31420, 32991, 43988, 47130, 49980, 53414, 54985, 65982, 76979, 80121, 94260, 106828, 109970, 131964, 133535, 153958, 160242, 164955, 186949, 219940, 230937, 267070, 307916, 320484, 329910, 373898, 384895, 400605, 461874, 534140, 560847, 659820, 747796, 769790, 801210, 923748, 934745, 1121694, 1154685, 1308643, 1539580, 1602420, 1869490, 2243388, 2309370, 2617286, 2804235, 3738980, 3925929, 4618740, 5234572, 5608470, 6543215, 7851858, 11216940, 13086430, 15703716, 19629645, 26172860, 39259290, 78518580]

約数ペア:

[(1, 78518580), (2, 39259290), (3, 26172860), (4, 19629645), (5, 15703716), (6, 13086430), (7, 11216940), (10, 7851858), (12, 6543215), (14, 5608470), (15, 5234572), (17, 4618740), (20, 3925929), (21, 3738980), (28, 2804235), (30, 2617286), (34, 2309370), (35, 2243388), (42, 1869490), (49, 1602420), (51, 1539580), (60, 1308643), (68, 1154685), (70, 1121694), (84, 934745), (85, 923748), (98, 801210), (102, 769790), (105, 747796), (119, 659820), (140, 560847), (147, 534140), (170, 461874), (196, 400605), (204, 384895), (210, 373898), (238, 329910), (245, 320484), (255, 307916), (294, 267070), (340, 230937), (357, 219940), (420, 186949), (476, 164955), (490, 160242), (510, 153958), (588, 133535), (595, 131964), (714, 109970), (735, 106828), (833, 94260), (980, 80121), (1020, 76979), (1190, 65982), (1428, 54985), (1470, 53414), (1571, 49980), (1666, 47130), (1785, 43988), (2380, 32991), (2499, 31420), (2940, 26707), (3142, 24990), (3332, 23565), (3570, 21994), (4165, 18852), (4713, 16660), (4998, 15710), (6284, 12495), (7140, 10997), (7855, 9996), (8330, 9426)]