20160375560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{569}}^1\times {\mathrm{1117}}^1$

素因数の和:1771

約数の個数: 128

約数和(自身を含む): 49782751200

約数和(自身を除く): 29622375640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 569, 610, 793, 1117, 1138, 1220, 1586, 2234, 2276, 2440, 2845, 3172, 3965, 4468, 4552, 5585, 5690, 6344, 7397, 7930, 8936, 11170, 11380, 14521, 14794, 15860, 22340, 22760, 29042, 29588, 31720, 34709, 36985, 44680, 58084, 59176, 68137, 69418, 72605, 73970, 116168, 136274, 138836, 145210, 147940, 173545, 272548, 277672, 290420, 295880, 340685, 347090, 451217, 545096, 580840, 635573, 681370, 694180, 885781, 902434, 1271146, 1362740, 1388360, 1771562, 1804868, 2256085, 2542292, 2725480, 3177865, 3543124, 3609736, 4428905, 4512170, 5084584, 6355730, 7086248, 8262449, 8857810, 9024340, 12711460, 16524898, 17715620, 18048680, 25422920, 33049796, 35431240, 38769953, 41312245, 66099592, 77539906, 82624490, 155079812, 165248980, 193849765, 310159624, 330497960, 387699530, 504009389, 775399060, 1008018778, 1550798120, 2016037556, 2520046945, 4032075112, 5040093890, 10080187780, 20160375560]

約数ペア:

[(1, 20160375560), (2, 10080187780), (4, 5040093890), (5, 4032075112), (8, 2520046945), (10, 2016037556), (13, 1550798120), (20, 1008018778), (26, 775399060), (40, 504009389), (52, 387699530), (61, 330497960), (65, 310159624), (104, 193849765), (122, 165248980), (130, 155079812), (244, 82624490), (260, 77539906), (305, 66099592), (488, 41312245), (520, 38769953), (569, 35431240), (610, 33049796), (793, 25422920), (1117, 18048680), (1138, 17715620), (1220, 16524898), (1586, 12711460), (2234, 9024340), (2276, 8857810), (2440, 8262449), (2845, 7086248), (3172, 6355730), (3965, 5084584), (4468, 4512170), (4552, 4428905), (5585, 3609736), (5690, 3543124), (6344, 3177865), (7397, 2725480), (7930, 2542292), (8936, 2256085), (11170, 1804868), (11380, 1771562), (14521, 1388360), (14794, 1362740), (15860, 1271146), (22340, 902434), (22760, 885781), (29042, 694180), (29588, 681370), (31720, 635573), (34709, 580840), (36985, 545096), (44680, 451217), (58084, 347090), (59176, 340685), (68137, 295880), (69418, 290420), (72605, 277672), (73970, 272548), (116168, 173545), (136274, 147940), (138836, 145210)]