81089100

素因数分解:

$2^2\times 3^5\times 5^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:147

約数の個数: 216

約数和(自身を含む): 272982528

約数和(自身を除く): 191893428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 47, 50, 54, 60, 71, 75, 81, 90, 94, 100, 108, 135, 141, 142, 150, 162, 180, 188, 213, 225, 235, 243, 270, 282, 284, 300, 324, 355, 405, 423, 426, 450, 470, 486, 540, 564, 639, 675, 705, 710, 810, 846, 852, 900, 940, 972, 1065, 1175, 1215, 1269, 1278, 1350, 1410, 1420, 1620, 1692, 1775, 1917, 2025, 2115, 2130, 2350, 2430, 2538, 2556, 2700, 2820, 3195, 3337, 3525, 3550, 3807, 3834, 4050, 4230, 4260, 4700, 4860, 5076, 5325, 5751, 6075, 6345, 6390, 6674, 7050, 7100, 7614, 7668, 8100, 8460, 9585, 10011, 10575, 10650, 11421, 11502, 12150, 12690, 12780, 13348, 14100, 15228, 15975, 16685, 17253, 19035, 19170, 20022, 21150, 21300, 22842, 23004, 24300, 25380, 28755, 30033, 31725, 31950, 33370, 34506, 38070, 38340, 40044, 42300, 45684, 47925, 50055, 57105, 57510, 60066, 63450, 63900, 66740, 69012, 76140, 83425, 86265, 90099, 95175, 95850, 100110, 114210, 115020, 120132, 126900, 143775, 150165, 166850, 172530, 180198, 190350, 191700, 200220, 228420, 250275, 270297, 285525, 287550, 300330, 333700, 345060, 360396, 380700, 431325, 450495, 500550, 540594, 571050, 575100, 600660, 750825, 810891, 862650, 900990, 1001100, 1081188, 1142100, 1351485, 1501650, 1621782, 1725300, 1801980, 2252475, 2702970, 3003300, 3243564, 4054455, 4504950, 5405940, 6757425, 8108910, 9009900, 13514850, 16217820, 20272275, 27029700, 40544550, 81089100]

約数ペア:

[(1, 81089100), (2, 40544550), (3, 27029700), (4, 20272275), (5, 16217820), (6, 13514850), (9, 9009900), (10, 8108910), (12, 6757425), (15, 5405940), (18, 4504950), (20, 4054455), (25, 3243564), (27, 3003300), (30, 2702970), (36, 2252475), (45, 1801980), (47, 1725300), (50, 1621782), (54, 1501650), (60, 1351485), (71, 1142100), (75, 1081188), (81, 1001100), (90, 900990), (94, 862650), (100, 810891), (108, 750825), (135, 600660), (141, 575100), (142, 571050), (150, 540594), (162, 500550), (180, 450495), (188, 431325), (213, 380700), (225, 360396), (235, 345060), (243, 333700), (270, 300330), (282, 287550), (284, 285525), (300, 270297), (324, 250275), (355, 228420), (405, 200220), (423, 191700), (426, 190350), (450, 180198), (470, 172530), (486, 166850), (540, 150165), (564, 143775), (639, 126900), (675, 120132), (705, 115020), (710, 114210), (810, 100110), (846, 95850), (852, 95175), (900, 90099), (940, 86265), (972, 83425), (1065, 76140), (1175, 69012), (1215, 66740), (1269, 63900), (1278, 63450), (1350, 60066), (1410, 57510), (1420, 57105), (1620, 50055), (1692, 47925), (1775, 45684), (1917, 42300), (2025, 40044), (2115, 38340), (2130, 38070), (2350, 34506), (2430, 33370), (2538, 31950), (2556, 31725), (2700, 30033), (2820, 28755), (3195, 25380), (3337, 24300), (3525, 23004), (3550, 22842), (3807, 21300), (3834, 21150), (4050, 20022), (4230, 19170), (4260, 19035), (4700, 17253), (4860, 16685), (5076, 15975), (5325, 15228), (5751, 14100), (6075, 13348), (6345, 12780), (6390, 12690), (6674, 12150), (7050, 11502), (7100, 11421), (7614, 10650), (7668, 10575), (8100, 10011), (8460, 9585)]