403950720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{210391}}^1$

素因数の和:210413

約数の個数: 64

約数和(自身を含む): 1287599040

約数和(自身を除く): 883648320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 210391, 420782, 631173, 841564, 1051955, 1262346, 1683128, 2103910, 2524692, 3155865, 3366256, 4207820, 5049384, 6311730, 6732512, 8415640, 10098768, 12623460, 13465024, 16831280, 20197536, 25246920, 26930048, 33662560, 40395072, 50493840, 67325120, 80790144, 100987680, 134650240, 201975360, 403950720]

約数ペア:

[(1, 403950720), (2, 201975360), (3, 134650240), (4, 100987680), (5, 80790144), (6, 67325120), (8, 50493840), (10, 40395072), (12, 33662560), (15, 26930048), (16, 25246920), (20, 20197536), (24, 16831280), (30, 13465024), (32, 12623460), (40, 10098768), (48, 8415640), (60, 6732512), (64, 6311730), (80, 5049384), (96, 4207820), (120, 3366256), (128, 3155865), (160, 2524692), (192, 2103910), (240, 1683128), (320, 1262346), (384, 1051955), (480, 841564), (640, 631173), (960, 420782), (1920, 210391)]