81511430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{479}}^1$

素因数の和:534

約数の個数: 128

約数和(自身を含む): 209018880

約数和(自身を除く): 127507450

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 17, 22, 26, 34, 35, 55, 65, 70, 77, 85, 91, 110, 119, 130, 143, 154, 170, 182, 187, 221, 238, 286, 374, 385, 442, 455, 479, 595, 715, 770, 910, 935, 958, 1001, 1105, 1190, 1309, 1430, 1547, 1870, 2002, 2210, 2395, 2431, 2618, 3094, 3353, 4790, 4862, 5005, 5269, 6227, 6545, 6706, 7735, 8143, 10010, 10538, 12155, 12454, 13090, 15470, 16286, 16765, 17017, 24310, 26345, 31135, 33530, 34034, 36883, 40715, 43589, 52690, 57001, 62270, 68497, 73766, 81430, 85085, 87178, 89573, 105859, 114002, 136994, 170170, 179146, 184415, 211718, 217945, 285005, 342485, 368830, 435890, 447865, 479479, 529295, 570010, 627011, 684970, 741013, 895730, 958958, 1058590, 1164449, 1254022, 1482026, 2328898, 2397395, 3135055, 3705065, 4794790, 5822245, 6270110, 7410130, 8151143, 11644490, 16302286, 40755715, 81511430]

約数ペア:

[(1, 81511430), (2, 40755715), (5, 16302286), (7, 11644490), (10, 8151143), (11, 7410130), (13, 6270110), (14, 5822245), (17, 4794790), (22, 3705065), (26, 3135055), (34, 2397395), (35, 2328898), (55, 1482026), (65, 1254022), (70, 1164449), (77, 1058590), (85, 958958), (91, 895730), (110, 741013), (119, 684970), (130, 627011), (143, 570010), (154, 529295), (170, 479479), (182, 447865), (187, 435890), (221, 368830), (238, 342485), (286, 285005), (374, 217945), (385, 211718), (442, 184415), (455, 179146), (479, 170170), (595, 136994), (715, 114002), (770, 105859), (910, 89573), (935, 87178), (958, 85085), (1001, 81430), (1105, 73766), (1190, 68497), (1309, 62270), (1430, 57001), (1547, 52690), (1870, 43589), (2002, 40715), (2210, 36883), (2395, 34034), (2431, 33530), (2618, 31135), (3094, 26345), (3353, 24310), (4790, 17017), (4862, 16765), (5005, 16286), (5269, 15470), (6227, 13090), (6545, 12454), (6706, 12155), (7735, 10538), (8143, 10010)]