2828781560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{1619}}^1$

素因数の和:1690

約数の個数: 144

約数和(自身を含む): 7388123400

約数和(自身を除く): 4559341840

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 121, 152, 190, 209, 220, 242, 361, 380, 418, 440, 484, 605, 722, 760, 836, 968, 1045, 1210, 1444, 1619, 1672, 1805, 2090, 2299, 2420, 2888, 3238, 3610, 3971, 4180, 4598, 4840, 6476, 7220, 7942, 8095, 8360, 9196, 11495, 12952, 14440, 15884, 16190, 17809, 18392, 19855, 22990, 30761, 31768, 32380, 35618, 39710, 43681, 45980, 61522, 64760, 71236, 79420, 87362, 89045, 91960, 123044, 142472, 153805, 158840, 174724, 178090, 195899, 218405, 246088, 307610, 338371, 349448, 356180, 391798, 436810, 584459, 615220, 676742, 712360, 783596, 873620, 979495, 1168918, 1230440, 1353484, 1567192, 1691855, 1747240, 1958990, 2337836, 2706968, 2922295, 3383710, 3722081, 3917980, 4675672, 5844590, 6429049, 6767420, 7444162, 7835960, 11689180, 12858098, 13534840, 14888324, 18610405, 23378360, 25716196, 29776648, 32145245, 37220810, 51432392, 64290490, 70719539, 74441620, 128580980, 141439078, 148883240, 257161960, 282878156, 353597695, 565756312, 707195390, 1414390780, 2828781560]

約数ペア:

[(1, 2828781560), (2, 1414390780), (4, 707195390), (5, 565756312), (8, 353597695), (10, 282878156), (11, 257161960), (19, 148883240), (20, 141439078), (22, 128580980), (38, 74441620), (40, 70719539), (44, 64290490), (55, 51432392), (76, 37220810), (88, 32145245), (95, 29776648), (110, 25716196), (121, 23378360), (152, 18610405), (190, 14888324), (209, 13534840), (220, 12858098), (242, 11689180), (361, 7835960), (380, 7444162), (418, 6767420), (440, 6429049), (484, 5844590), (605, 4675672), (722, 3917980), (760, 3722081), (836, 3383710), (968, 2922295), (1045, 2706968), (1210, 2337836), (1444, 1958990), (1619, 1747240), (1672, 1691855), (1805, 1567192), (2090, 1353484), (2299, 1230440), (2420, 1168918), (2888, 979495), (3238, 873620), (3610, 783596), (3971, 712360), (4180, 676742), (4598, 615220), (4840, 584459), (6476, 436810), (7220, 391798), (7942, 356180), (8095, 349448), (8360, 338371), (9196, 307610), (11495, 246088), (12952, 218405), (14440, 195899), (15884, 178090), (16190, 174724), (17809, 158840), (18392, 153805), (19855, 142472), (22990, 123044), (30761, 91960), (31768, 89045), (32380, 87362), (35618, 79420), (39710, 71236), (43681, 64760), (45980, 61522)]