1288729520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:691

約数の個数: 160

約数和(自身を含む): 3383783424

約数和(自身を除く): 2095053904

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 71, 80, 104, 124, 130, 142, 155, 208, 248, 260, 284, 310, 355, 403, 496, 520, 563, 568, 620, 710, 806, 923, 1040, 1126, 1136, 1240, 1420, 1612, 1846, 2015, 2201, 2252, 2480, 2815, 2840, 3224, 3692, 4030, 4402, 4504, 4615, 5630, 5680, 6448, 7319, 7384, 8060, 8804, 9008, 9230, 11005, 11260, 14638, 14768, 16120, 17453, 17608, 18460, 22010, 22520, 28613, 29276, 32240, 34906, 35216, 36595, 36920, 39973, 44020, 45040, 57226, 58552, 69812, 73190, 73840, 79946, 87265, 88040, 114452, 117104, 139624, 143065, 146380, 159892, 174530, 176080, 199865, 226889, 228904, 279248, 286130, 292760, 319784, 349060, 399730, 453778, 457808, 519649, 572260, 585520, 639568, 698120, 799460, 907556, 1039298, 1134445, 1144520, 1239163, 1396240, 1598920, 1815112, 2078596, 2268890, 2289040, 2478326, 2598245, 3197840, 3630224, 4157192, 4537780, 4956652, 5196490, 6195815, 8314384, 9075560, 9913304, 10392980, 12391630, 16109119, 18151120, 19826608, 20785960, 24783260, 32218238, 41571920, 49566520, 64436476, 80545595, 99133040, 128872952, 161091190, 257745904, 322182380, 644364760, 1288729520]

約数ペア:

[(1, 1288729520), (2, 644364760), (4, 322182380), (5, 257745904), (8, 161091190), (10, 128872952), (13, 99133040), (16, 80545595), (20, 64436476), (26, 49566520), (31, 41571920), (40, 32218238), (52, 24783260), (62, 20785960), (65, 19826608), (71, 18151120), (80, 16109119), (104, 12391630), (124, 10392980), (130, 9913304), (142, 9075560), (155, 8314384), (208, 6195815), (248, 5196490), (260, 4956652), (284, 4537780), (310, 4157192), (355, 3630224), (403, 3197840), (496, 2598245), (520, 2478326), (563, 2289040), (568, 2268890), (620, 2078596), (710, 1815112), (806, 1598920), (923, 1396240), (1040, 1239163), (1126, 1144520), (1136, 1134445), (1240, 1039298), (1420, 907556), (1612, 799460), (1846, 698120), (2015, 639568), (2201, 585520), (2252, 572260), (2480, 519649), (2815, 457808), (2840, 453778), (3224, 399730), (3692, 349060), (4030, 319784), (4402, 292760), (4504, 286130), (4615, 279248), (5630, 228904), (5680, 226889), (6448, 199865), (7319, 176080), (7384, 174530), (8060, 159892), (8804, 146380), (9008, 143065), (9230, 139624), (11005, 117104), (11260, 114452), (14638, 88040), (14768, 87265), (16120, 79946), (17453, 73840), (17608, 73190), (18460, 69812), (22010, 58552), (22520, 57226), (28613, 45040), (29276, 44020), (32240, 39973), (34906, 36920), (35216, 36595)]