81125550

素因数分解:

$2^1\times 3^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{607}}^1$

素因数の和:645

約数の個数: 144

約数和(自身を含む): 246984192

約数和(自身を除く): 165858642

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 27, 30, 33, 45, 50, 54, 55, 66, 75, 81, 90, 99, 110, 135, 150, 162, 165, 198, 225, 243, 270, 275, 297, 330, 405, 450, 486, 495, 550, 594, 607, 675, 810, 825, 891, 990, 1214, 1215, 1350, 1485, 1650, 1782, 1821, 2025, 2430, 2475, 2673, 2970, 3035, 3642, 4050, 4455, 4950, 5346, 5463, 6070, 6075, 6677, 7425, 8910, 9105, 10926, 12150, 13354, 13365, 14850, 15175, 16389, 18210, 20031, 22275, 26730, 27315, 30350, 32778, 33385, 40062, 44550, 45525, 49167, 54630, 60093, 66770, 66825, 81945, 91050, 98334, 100155, 120186, 133650, 136575, 147501, 163890, 166925, 180279, 200310, 245835, 273150, 295002, 300465, 333850, 360558, 409725, 491670, 500775, 540837, 600930, 737505, 819450, 901395, 1001550, 1081674, 1229175, 1475010, 1502325, 1622511, 1802790, 2458350, 2704185, 3004650, 3245022, 3687525, 4506975, 5408370, 7375050, 8112555, 9013950, 13520925, 16225110, 27041850, 40562775, 81125550]

約数ペア:

[(1, 81125550), (2, 40562775), (3, 27041850), (5, 16225110), (6, 13520925), (9, 9013950), (10, 8112555), (11, 7375050), (15, 5408370), (18, 4506975), (22, 3687525), (25, 3245022), (27, 3004650), (30, 2704185), (33, 2458350), (45, 1802790), (50, 1622511), (54, 1502325), (55, 1475010), (66, 1229175), (75, 1081674), (81, 1001550), (90, 901395), (99, 819450), (110, 737505), (135, 600930), (150, 540837), (162, 500775), (165, 491670), (198, 409725), (225, 360558), (243, 333850), (270, 300465), (275, 295002), (297, 273150), (330, 245835), (405, 200310), (450, 180279), (486, 166925), (495, 163890), (550, 147501), (594, 136575), (607, 133650), (675, 120186), (810, 100155), (825, 98334), (891, 91050), (990, 81945), (1214, 66825), (1215, 66770), (1350, 60093), (1485, 54630), (1650, 49167), (1782, 45525), (1821, 44550), (2025, 40062), (2430, 33385), (2475, 32778), (2673, 30350), (2970, 27315), (3035, 26730), (3642, 22275), (4050, 20031), (4455, 18210), (4950, 16389), (5346, 15175), (5463, 14850), (6070, 13365), (6075, 13354), (6677, 12150), (7425, 10926), (8910, 9105)]