1520305875

素因数分解:

$3^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1387

約数の個数: 128

約数和(自身を含む): 3167723520

約数和(自身を除く): 1647417645

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 31, 33, 45, 55, 75, 93, 99, 125, 135, 155, 165, 225, 275, 279, 297, 341, 375, 465, 495, 675, 775, 825, 837, 1023, 1125, 1321, 1375, 1395, 1485, 1705, 2325, 2475, 3069, 3375, 3875, 3963, 4125, 4185, 5115, 6605, 6975, 7425, 8525, 9207, 11625, 11889, 12375, 14531, 15345, 19815, 20925, 25575, 33025, 34875, 35667, 37125, 40951, 42625, 43593, 46035, 59445, 72655, 76725, 99075, 104625, 122853, 127875, 130779, 165125, 178335, 204755, 217965, 230175, 297225, 363275, 368559, 383625, 392337, 450461, 495375, 614265, 653895, 891675, 1023775, 1089825, 1105677, 1150875, 1351383, 1486125, 1816375, 1842795, 1961685, 2252305, 3071325, 3269475, 4054149, 4458375, 5118875, 5449125, 5528385, 6756915, 9213975, 9808425, 11261525, 12162447, 15356625, 16347375, 20270745, 27641925, 33784575, 46069875, 49042125, 56307625, 60812235, 101353725, 138209625, 168922875, 304061175, 506768625, 1520305875]

約数ペア:

[(1, 1520305875), (3, 506768625), (5, 304061175), (9, 168922875), (11, 138209625), (15, 101353725), (25, 60812235), (27, 56307625), (31, 49042125), (33, 46069875), (45, 33784575), (55, 27641925), (75, 20270745), (93, 16347375), (99, 15356625), (125, 12162447), (135, 11261525), (155, 9808425), (165, 9213975), (225, 6756915), (275, 5528385), (279, 5449125), (297, 5118875), (341, 4458375), (375, 4054149), (465, 3269475), (495, 3071325), (675, 2252305), (775, 1961685), (825, 1842795), (837, 1816375), (1023, 1486125), (1125, 1351383), (1321, 1150875), (1375, 1105677), (1395, 1089825), (1485, 1023775), (1705, 891675), (2325, 653895), (2475, 614265), (3069, 495375), (3375, 450461), (3875, 392337), (3963, 383625), (4125, 368559), (4185, 363275), (5115, 297225), (6605, 230175), (6975, 217965), (7425, 204755), (8525, 178335), (9207, 165125), (11625, 130779), (11889, 127875), (12375, 122853), (14531, 104625), (15345, 99075), (19815, 76725), (20925, 72655), (25575, 59445), (33025, 46035), (34875, 43593), (35667, 42625), (37125, 40951)]