64986880

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{7253}}^1$

素因数の和:7281

約数の個数: 72

約数和(自身を含む): 177926112

約数和(自身を除く): 112939232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 7253, 8960, 14506, 29012, 36265, 50771, 58024, 72530, 101542, 116048, 145060, 203084, 232096, 253855, 290120, 406168, 464192, 507710, 580240, 812336, 928384, 1015420, 1160480, 1624672, 1856768, 2030840, 2320960, 3249344, 4061680, 4641920, 6498688, 8123360, 9283840, 12997376, 16246720, 32493440, 64986880]

約数ペア:

[(1, 64986880), (2, 32493440), (4, 16246720), (5, 12997376), (7, 9283840), (8, 8123360), (10, 6498688), (14, 4641920), (16, 4061680), (20, 3249344), (28, 2320960), (32, 2030840), (35, 1856768), (40, 1624672), (56, 1160480), (64, 1015420), (70, 928384), (80, 812336), (112, 580240), (128, 507710), (140, 464192), (160, 406168), (224, 290120), (256, 253855), (280, 232096), (320, 203084), (448, 145060), (560, 116048), (640, 101542), (896, 72530), (1120, 58024), (1280, 50771), (1792, 36265), (2240, 29012), (4480, 14506), (7253, 8960)]