7802080

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:81

約数の個数: 144

約数和(自身を含む): 22522752

約数和(自身を除く): 14720672

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 32, 40, 44, 52, 55, 62, 65, 80, 88, 104, 110, 121, 124, 130, 143, 155, 160, 176, 208, 220, 242, 248, 260, 286, 310, 341, 352, 403, 416, 440, 484, 496, 520, 572, 605, 620, 682, 715, 806, 880, 968, 992, 1040, 1144, 1210, 1240, 1364, 1430, 1573, 1612, 1705, 1760, 1936, 2015, 2080, 2288, 2420, 2480, 2728, 2860, 3146, 3224, 3410, 3751, 3872, 4030, 4433, 4576, 4840, 4960, 5456, 5720, 6292, 6448, 6820, 7502, 7865, 8060, 8866, 9680, 10912, 11440, 12584, 12896, 13640, 15004, 15730, 16120, 17732, 18755, 19360, 22165, 22880, 25168, 27280, 30008, 31460, 32240, 35464, 37510, 44330, 48763, 50336, 54560, 60016, 62920, 64480, 70928, 75020, 88660, 97526, 120032, 125840, 141856, 150040, 177320, 195052, 243815, 251680, 300080, 354640, 390104, 487630, 600160, 709280, 780208, 975260, 1560416, 1950520, 3901040, 7802080]

約数ペア:

[(1, 7802080), (2, 3901040), (4, 1950520), (5, 1560416), (8, 975260), (10, 780208), (11, 709280), (13, 600160), (16, 487630), (20, 390104), (22, 354640), (26, 300080), (31, 251680), (32, 243815), (40, 195052), (44, 177320), (52, 150040), (55, 141856), (62, 125840), (65, 120032), (80, 97526), (88, 88660), (104, 75020), (110, 70928), (121, 64480), (124, 62920), (130, 60016), (143, 54560), (155, 50336), (160, 48763), (176, 44330), (208, 37510), (220, 35464), (242, 32240), (248, 31460), (260, 30008), (286, 27280), (310, 25168), (341, 22880), (352, 22165), (403, 19360), (416, 18755), (440, 17732), (484, 16120), (496, 15730), (520, 15004), (572, 13640), (605, 12896), (620, 12584), (682, 11440), (715, 10912), (806, 9680), (880, 8866), (968, 8060), (992, 7865), (1040, 7502), (1144, 6820), (1210, 6448), (1240, 6292), (1364, 5720), (1430, 5456), (1573, 4960), (1612, 4840), (1705, 4576), (1760, 4433), (1936, 4030), (2015, 3872), (2080, 3751), (2288, 3410), (2420, 3224), (2480, 3146), (2728, 2860)]