27808680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 88387200

約数和(自身を除く): 60578520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 61, 87, 116, 120, 122, 131, 145, 174, 183, 232, 244, 262, 290, 305, 348, 366, 393, 435, 488, 524, 580, 610, 655, 696, 732, 786, 870, 915, 1048, 1160, 1220, 1310, 1464, 1572, 1740, 1769, 1830, 1965, 2440, 2620, 3144, 3480, 3538, 3660, 3799, 3930, 5240, 5307, 7076, 7320, 7598, 7860, 7991, 8845, 10614, 11397, 14152, 15196, 15720, 15982, 17690, 18995, 21228, 22794, 23973, 26535, 30392, 31964, 35380, 37990, 39955, 42456, 45588, 47946, 53070, 56985, 63928, 70760, 75980, 79910, 91176, 95892, 106140, 113970, 119865, 151960, 159820, 191784, 212280, 227940, 231739, 239730, 319640, 455880, 463478, 479460, 695217, 926956, 958920, 1158695, 1390434, 1853912, 2317390, 2780868, 3476085, 4634780, 5561736, 6952170, 9269560, 13904340, 27808680]

約数ペア:

[(1, 27808680), (2, 13904340), (3, 9269560), (4, 6952170), (5, 5561736), (6, 4634780), (8, 3476085), (10, 2780868), (12, 2317390), (15, 1853912), (20, 1390434), (24, 1158695), (29, 958920), (30, 926956), (40, 695217), (58, 479460), (60, 463478), (61, 455880), (87, 319640), (116, 239730), (120, 231739), (122, 227940), (131, 212280), (145, 191784), (174, 159820), (183, 151960), (232, 119865), (244, 113970), (262, 106140), (290, 95892), (305, 91176), (348, 79910), (366, 75980), (393, 70760), (435, 63928), (488, 56985), (524, 53070), (580, 47946), (610, 45588), (655, 42456), (696, 39955), (732, 37990), (786, 35380), (870, 31964), (915, 30392), (1048, 26535), (1160, 23973), (1220, 22794), (1310, 21228), (1464, 18995), (1572, 17690), (1740, 15982), (1769, 15720), (1830, 15196), (1965, 14152), (2440, 11397), (2620, 10614), (3144, 8845), (3480, 7991), (3538, 7860), (3660, 7598), (3799, 7320), (3930, 7076), (5240, 5307)]