80408040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:291

約数の個数: 128

約数和(自身を含む): 249989760

約数和(自身を除く): 169581720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 73, 120, 134, 137, 146, 201, 219, 268, 274, 292, 335, 365, 402, 411, 438, 536, 548, 584, 670, 685, 730, 804, 822, 876, 1005, 1095, 1096, 1340, 1370, 1460, 1608, 1644, 1752, 2010, 2055, 2190, 2680, 2740, 2920, 3288, 4020, 4110, 4380, 4891, 5480, 8040, 8220, 8760, 9179, 9782, 10001, 14673, 16440, 18358, 19564, 20002, 24455, 27537, 29346, 30003, 36716, 39128, 40004, 45895, 48910, 50005, 55074, 58692, 60006, 73365, 73432, 80008, 91790, 97820, 100010, 110148, 117384, 120012, 137685, 146730, 150015, 183580, 195640, 200020, 220296, 240024, 275370, 293460, 300030, 367160, 400040, 550740, 586920, 600060, 670067, 1101480, 1200120, 1340134, 2010201, 2680268, 3350335, 4020402, 5360536, 6700670, 8040804, 10051005, 13401340, 16081608, 20102010, 26802680, 40204020, 80408040]

約数ペア:

[(1, 80408040), (2, 40204020), (3, 26802680), (4, 20102010), (5, 16081608), (6, 13401340), (8, 10051005), (10, 8040804), (12, 6700670), (15, 5360536), (20, 4020402), (24, 3350335), (30, 2680268), (40, 2010201), (60, 1340134), (67, 1200120), (73, 1101480), (120, 670067), (134, 600060), (137, 586920), (146, 550740), (201, 400040), (219, 367160), (268, 300030), (274, 293460), (292, 275370), (335, 240024), (365, 220296), (402, 200020), (411, 195640), (438, 183580), (536, 150015), (548, 146730), (584, 137685), (670, 120012), (685, 117384), (730, 110148), (804, 100010), (822, 97820), (876, 91790), (1005, 80008), (1095, 73432), (1096, 73365), (1340, 60006), (1370, 58692), (1460, 55074), (1608, 50005), (1644, 48910), (1752, 45895), (2010, 40004), (2055, 39128), (2190, 36716), (2680, 30003), (2740, 29346), (2920, 27537), (3288, 24455), (4020, 20002), (4110, 19564), (4380, 18358), (4891, 16440), (5480, 14673), (8040, 10001), (8220, 9782), (8760, 9179)]