72813440

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{16253}}^1$

素因数の和:16279

約数の個数: 64

約数和(自身を含む): 198948960

約数和(自身を除く): 126135520

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, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 16253, 32506, 65012, 81265, 113771, 130024, 162530, 227542, 260048, 325060, 455084, 520096, 568855, 650120, 910168, 1040192, 1137710, 1300240, 1820336, 2080384, 2275420, 2600480, 3640672, 4550840, 5200960, 7281344, 9101680, 10401920, 14562688, 18203360, 36406720, 72813440]

約数ペア:

[(1, 72813440), (2, 36406720), (4, 18203360), (5, 14562688), (7, 10401920), (8, 9101680), (10, 7281344), (14, 5200960), (16, 4550840), (20, 3640672), (28, 2600480), (32, 2275420), (35, 2080384), (40, 1820336), (56, 1300240), (64, 1137710), (70, 1040192), (80, 910168), (112, 650120), (128, 568855), (140, 520096), (160, 455084), (224, 325060), (280, 260048), (320, 227542), (448, 162530), (560, 130024), (640, 113771), (896, 81265), (1120, 65012), (2240, 32506), (4480, 16253)]