71388540

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:458

約数の個数: 144

約数和(自身を含む): 231215712

約数和(自身を除く): 159827172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 81, 90, 108, 111, 135, 148, 162, 180, 185, 222, 243, 270, 324, 333, 370, 397, 405, 444, 486, 540, 555, 666, 740, 794, 810, 972, 999, 1110, 1191, 1215, 1332, 1588, 1620, 1665, 1985, 1998, 2220, 2382, 2430, 2997, 3330, 3573, 3970, 3996, 4764, 4860, 4995, 5955, 5994, 6660, 7146, 7940, 8991, 9990, 10719, 11910, 11988, 14292, 14689, 14985, 17865, 17982, 19980, 21438, 23820, 29378, 29970, 32157, 35730, 35964, 42876, 44067, 44955, 53595, 58756, 59940, 64314, 71460, 73445, 88134, 89910, 96471, 107190, 128628, 132201, 146890, 160785, 176268, 179820, 192942, 214380, 220335, 264402, 293780, 321570, 385884, 396603, 440670, 482355, 528804, 643140, 661005, 793206, 881340, 964710, 1189809, 1322010, 1586412, 1929420, 1983015, 2379618, 2644020, 3569427, 3966030, 4759236, 5949045, 7138854, 7932060, 11898090, 14277708, 17847135, 23796180, 35694270, 71388540]

約数ペア:

[(1, 71388540), (2, 35694270), (3, 23796180), (4, 17847135), (5, 14277708), (6, 11898090), (9, 7932060), (10, 7138854), (12, 5949045), (15, 4759236), (18, 3966030), (20, 3569427), (27, 2644020), (30, 2379618), (36, 1983015), (37, 1929420), (45, 1586412), (54, 1322010), (60, 1189809), (74, 964710), (81, 881340), (90, 793206), (108, 661005), (111, 643140), (135, 528804), (148, 482355), (162, 440670), (180, 396603), (185, 385884), (222, 321570), (243, 293780), (270, 264402), (324, 220335), (333, 214380), (370, 192942), (397, 179820), (405, 176268), (444, 160785), (486, 146890), (540, 132201), (555, 128628), (666, 107190), (740, 96471), (794, 89910), (810, 88134), (972, 73445), (999, 71460), (1110, 64314), (1191, 59940), (1215, 58756), (1332, 53595), (1588, 44955), (1620, 44067), (1665, 42876), (1985, 35964), (1998, 35730), (2220, 32157), (2382, 29970), (2430, 29378), (2997, 23820), (3330, 21438), (3573, 19980), (3970, 17982), (3996, 17865), (4764, 14985), (4860, 14689), (4995, 14292), (5955, 11988), (5994, 11910), (6660, 10719), (7146, 9990), (7940, 8991)]