164473600

素因数分解:

$2^8\times 5^2\times {\mathrm{31}}^1\times {\mathrm{829}}^1$

素因数の和:886

約数の個数: 108

約数和(自身を含む): 420736960

約数和(自身を除く): 256263360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 310, 320, 400, 496, 620, 640, 775, 800, 829, 992, 1240, 1280, 1550, 1600, 1658, 1984, 2480, 3100, 3200, 3316, 3968, 4145, 4960, 6200, 6400, 6632, 7936, 8290, 9920, 12400, 13264, 16580, 19840, 20725, 24800, 25699, 26528, 33160, 39680, 41450, 49600, 51398, 53056, 66320, 82900, 99200, 102796, 106112, 128495, 132640, 165800, 198400, 205592, 212224, 256990, 265280, 331600, 411184, 513980, 530560, 642475, 663200, 822368, 1027960, 1061120, 1284950, 1326400, 1644736, 2055920, 2569900, 2652800, 3289472, 4111840, 5139800, 5305600, 6578944, 8223680, 10279600, 16447360, 20559200, 32894720, 41118400, 82236800, 164473600]

約数ペア:

[(1, 164473600), (2, 82236800), (4, 41118400), (5, 32894720), (8, 20559200), (10, 16447360), (16, 10279600), (20, 8223680), (25, 6578944), (31, 5305600), (32, 5139800), (40, 4111840), (50, 3289472), (62, 2652800), (64, 2569900), (80, 2055920), (100, 1644736), (124, 1326400), (128, 1284950), (155, 1061120), (160, 1027960), (200, 822368), (248, 663200), (256, 642475), (310, 530560), (320, 513980), (400, 411184), (496, 331600), (620, 265280), (640, 256990), (775, 212224), (800, 205592), (829, 198400), (992, 165800), (1240, 132640), (1280, 128495), (1550, 106112), (1600, 102796), (1658, 99200), (1984, 82900), (2480, 66320), (3100, 53056), (3200, 51398), (3316, 49600), (3968, 41450), (4145, 39680), (4960, 33160), (6200, 26528), (6400, 25699), (6632, 24800), (7936, 20725), (8290, 19840), (9920, 16580), (12400, 13264)]