81175050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:106

約数の個数: 216

約数和(自身を含む): 256733568

約数和(自身を除く): 175558518

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 23, 25, 30, 31, 33, 45, 46, 50, 55, 62, 66, 69, 75, 90, 93, 99, 110, 115, 138, 150, 155, 165, 186, 198, 207, 225, 230, 253, 275, 279, 310, 330, 341, 345, 414, 450, 465, 495, 506, 529, 550, 558, 575, 682, 690, 713, 759, 775, 825, 930, 990, 1023, 1035, 1058, 1150, 1265, 1395, 1426, 1518, 1550, 1587, 1650, 1705, 1725, 2046, 2070, 2139, 2277, 2325, 2475, 2530, 2645, 2790, 3069, 3174, 3410, 3450, 3565, 3795, 4278, 4554, 4650, 4761, 4950, 5115, 5175, 5290, 5819, 6138, 6325, 6417, 6975, 7130, 7590, 7843, 7935, 8525, 9522, 10230, 10350, 10695, 11385, 11638, 12650, 12834, 13225, 13950, 15345, 15686, 15870, 16399, 17050, 17457, 17825, 18975, 21390, 22770, 23529, 23805, 25575, 26450, 29095, 30690, 32085, 32798, 34914, 35650, 37950, 39215, 39675, 47058, 47610, 49197, 51150, 52371, 53475, 56925, 58190, 64170, 70587, 76725, 78430, 79350, 81995, 87285, 98394, 104742, 106950, 113850, 117645, 119025, 141174, 145475, 147591, 153450, 160425, 163990, 174570, 180389, 196075, 235290, 238050, 245985, 261855, 290950, 295182, 320850, 352935, 360778, 392150, 409975, 436425, 491970, 523710, 541167, 588225, 705870, 737955, 819950, 872850, 901945, 1082334, 1176450, 1229925, 1309275, 1475910, 1623501, 1764675, 1803890, 2459850, 2618550, 2705835, 3247002, 3529350, 3689775, 4509725, 5411670, 7379550, 8117505, 9019450, 13529175, 16235010, 27058350, 40587525, 81175050]

約数ペア:

[(1, 81175050), (2, 40587525), (3, 27058350), (5, 16235010), (6, 13529175), (9, 9019450), (10, 8117505), (11, 7379550), (15, 5411670), (18, 4509725), (22, 3689775), (23, 3529350), (25, 3247002), (30, 2705835), (31, 2618550), (33, 2459850), (45, 1803890), (46, 1764675), (50, 1623501), (55, 1475910), (62, 1309275), (66, 1229925), (69, 1176450), (75, 1082334), (90, 901945), (93, 872850), (99, 819950), (110, 737955), (115, 705870), (138, 588225), (150, 541167), (155, 523710), (165, 491970), (186, 436425), (198, 409975), (207, 392150), (225, 360778), (230, 352935), (253, 320850), (275, 295182), (279, 290950), (310, 261855), (330, 245985), (341, 238050), (345, 235290), (414, 196075), (450, 180389), (465, 174570), (495, 163990), (506, 160425), (529, 153450), (550, 147591), (558, 145475), (575, 141174), (682, 119025), (690, 117645), (713, 113850), (759, 106950), (775, 104742), (825, 98394), (930, 87285), (990, 81995), (1023, 79350), (1035, 78430), (1058, 76725), (1150, 70587), (1265, 64170), (1395, 58190), (1426, 56925), (1518, 53475), (1550, 52371), (1587, 51150), (1650, 49197), (1705, 47610), (1725, 47058), (2046, 39675), (2070, 39215), (2139, 37950), (2277, 35650), (2325, 34914), (2475, 32798), (2530, 32085), (2645, 30690), (2790, 29095), (3069, 26450), (3174, 25575), (3410, 23805), (3450, 23529), (3565, 22770), (3795, 21390), (4278, 18975), (4554, 17825), (4650, 17457), (4761, 17050), (4950, 16399), (5115, 15870), (5175, 15686), (5290, 15345), (5819, 13950), (6138, 13225), (6325, 12834), (6417, 12650), (6975, 11638), (7130, 11385), (7590, 10695), (7843, 10350), (7935, 10230), (8525, 9522)]