72665320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19963}}^1$

素因数の和:19994

約数の個数: 64

約数和(自身を含む): 201237120

約数和(自身を除く): 128571800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 19963, 39926, 79852, 99815, 139741, 159704, 199630, 259519, 279482, 399260, 519038, 558964, 698705, 798520, 1038076, 1117928, 1297595, 1397410, 1816633, 2076152, 2595190, 2794820, 3633266, 5190380, 5589640, 7266532, 9083165, 10380760, 14533064, 18166330, 36332660, 72665320]

約数ペア:

[(1, 72665320), (2, 36332660), (4, 18166330), (5, 14533064), (7, 10380760), (8, 9083165), (10, 7266532), (13, 5589640), (14, 5190380), (20, 3633266), (26, 2794820), (28, 2595190), (35, 2076152), (40, 1816633), (52, 1397410), (56, 1297595), (65, 1117928), (70, 1038076), (91, 798520), (104, 698705), (130, 558964), (140, 519038), (182, 399260), (260, 279482), (280, 259519), (364, 199630), (455, 159704), (520, 139741), (728, 99815), (910, 79852), (1820, 39926), (3640, 19963)]