81168750

素因数分解:

$2^1\times 3^3\times 5^5\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:86

約数の個数: 192

約数和(自身を含む): 249359040

約数和(自身を除く): 168190290

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 27, 30, 37, 39, 45, 50, 54, 65, 74, 75, 78, 90, 111, 117, 125, 130, 135, 150, 185, 195, 222, 225, 234, 250, 270, 325, 333, 351, 370, 375, 390, 450, 481, 555, 585, 625, 650, 666, 675, 702, 750, 925, 962, 975, 999, 1110, 1125, 1170, 1250, 1350, 1443, 1625, 1665, 1755, 1850, 1875, 1950, 1998, 2250, 2405, 2775, 2886, 2925, 3125, 3250, 3330, 3375, 3510, 3750, 4329, 4625, 4810, 4875, 4995, 5550, 5625, 5850, 6250, 6750, 7215, 8125, 8325, 8658, 8775, 9250, 9375, 9750, 9990, 11250, 12025, 12987, 13875, 14430, 14625, 16250, 16650, 16875, 17550, 18750, 21645, 23125, 24050, 24375, 24975, 25974, 27750, 28125, 29250, 33750, 36075, 40625, 41625, 43290, 43875, 46250, 48750, 49950, 56250, 60125, 64935, 69375, 72150, 73125, 81250, 83250, 84375, 87750, 108225, 115625, 120250, 121875, 124875, 129870, 138750, 146250, 168750, 180375, 208125, 216450, 219375, 231250, 243750, 249750, 300625, 324675, 346875, 360750, 365625, 416250, 438750, 541125, 601250, 624375, 649350, 693750, 731250, 901875, 1040625, 1082250, 1096875, 1248750, 1503125, 1623375, 1803750, 2081250, 2193750, 2705625, 3006250, 3121875, 3246750, 4509375, 5411250, 6243750, 8116875, 9018750, 13528125, 16233750, 27056250, 40584375, 81168750]

約数ペア:

[(1, 81168750), (2, 40584375), (3, 27056250), (5, 16233750), (6, 13528125), (9, 9018750), (10, 8116875), (13, 6243750), (15, 5411250), (18, 4509375), (25, 3246750), (26, 3121875), (27, 3006250), (30, 2705625), (37, 2193750), (39, 2081250), (45, 1803750), (50, 1623375), (54, 1503125), (65, 1248750), (74, 1096875), (75, 1082250), (78, 1040625), (90, 901875), (111, 731250), (117, 693750), (125, 649350), (130, 624375), (135, 601250), (150, 541125), (185, 438750), (195, 416250), (222, 365625), (225, 360750), (234, 346875), (250, 324675), (270, 300625), (325, 249750), (333, 243750), (351, 231250), (370, 219375), (375, 216450), (390, 208125), (450, 180375), (481, 168750), (555, 146250), (585, 138750), (625, 129870), (650, 124875), (666, 121875), (675, 120250), (702, 115625), (750, 108225), (925, 87750), (962, 84375), (975, 83250), (999, 81250), (1110, 73125), (1125, 72150), (1170, 69375), (1250, 64935), (1350, 60125), (1443, 56250), (1625, 49950), (1665, 48750), (1755, 46250), (1850, 43875), (1875, 43290), (1950, 41625), (1998, 40625), (2250, 36075), (2405, 33750), (2775, 29250), (2886, 28125), (2925, 27750), (3125, 25974), (3250, 24975), (3330, 24375), (3375, 24050), (3510, 23125), (3750, 21645), (4329, 18750), (4625, 17550), (4810, 16875), (4875, 16650), (4995, 16250), (5550, 14625), (5625, 14430), (5850, 13875), (6250, 12987), (6750, 12025), (7215, 11250), (8125, 9990), (8325, 9750), (8658, 9375), (8775, 9250)]