30238640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:270

約数の個数: 80

約数和(自身を含む): 73923840

約数和(自身を除く): 43685200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 89, 124, 137, 155, 178, 248, 274, 310, 356, 445, 496, 548, 620, 685, 712, 890, 1096, 1240, 1370, 1424, 1780, 2192, 2480, 2740, 2759, 3560, 4247, 5480, 5518, 7120, 8494, 10960, 11036, 12193, 13795, 16988, 21235, 22072, 24386, 27590, 33976, 42470, 44144, 48772, 55180, 60965, 67952, 84940, 97544, 110360, 121930, 169880, 195088, 220720, 243860, 339760, 377983, 487720, 755966, 975440, 1511932, 1889915, 3023864, 3779830, 6047728, 7559660, 15119320, 30238640]

約数ペア:

[(1, 30238640), (2, 15119320), (4, 7559660), (5, 6047728), (8, 3779830), (10, 3023864), (16, 1889915), (20, 1511932), (31, 975440), (40, 755966), (62, 487720), (80, 377983), (89, 339760), (124, 243860), (137, 220720), (155, 195088), (178, 169880), (248, 121930), (274, 110360), (310, 97544), (356, 84940), (445, 67952), (496, 60965), (548, 55180), (620, 48772), (685, 44144), (712, 42470), (890, 33976), (1096, 27590), (1240, 24386), (1370, 22072), (1424, 21235), (1780, 16988), (2192, 13795), (2480, 12193), (2740, 11036), (2759, 10960), (3560, 8494), (4247, 7120), (5480, 5518)]