1851040920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{39451}}^1$

素因数の和:39505

約数の個数: 128

約数和(自身を含む): 6135575040

約数和(自身を除く): 4284534120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 255, 276, 340, 345, 391, 408, 460, 510, 552, 680, 690, 782, 920, 1020, 1173, 1380, 1564, 1955, 2040, 2346, 2760, 3128, 3910, 4692, 5865, 7820, 9384, 11730, 15640, 23460, 39451, 46920, 78902, 118353, 157804, 197255, 236706, 315608, 394510, 473412, 591765, 670667, 789020, 907373, 946824, 1183530, 1341334, 1578040, 1814746, 2012001, 2367060, 2682668, 2722119, 3353335, 3629492, 4024002, 4536865, 4734120, 5365336, 5444238, 6706670, 7258984, 8048004, 9073730, 10060005, 10888476, 13413340, 13610595, 15425341, 16096008, 18147460, 20120010, 21776952, 26826680, 27221190, 30850682, 36294920, 40240020, 46276023, 54442380, 61701364, 77126705, 80480040, 92552046, 108884760, 123402728, 154253410, 185104092, 231380115, 308506820, 370208184, 462760230, 617013640, 925520460, 1851040920]

約数ペア:

[(1, 1851040920), (2, 925520460), (3, 617013640), (4, 462760230), (5, 370208184), (6, 308506820), (8, 231380115), (10, 185104092), (12, 154253410), (15, 123402728), (17, 108884760), (20, 92552046), (23, 80480040), (24, 77126705), (30, 61701364), (34, 54442380), (40, 46276023), (46, 40240020), (51, 36294920), (60, 30850682), (68, 27221190), (69, 26826680), (85, 21776952), (92, 20120010), (102, 18147460), (115, 16096008), (120, 15425341), (136, 13610595), (138, 13413340), (170, 10888476), (184, 10060005), (204, 9073730), (230, 8048004), (255, 7258984), (276, 6706670), (340, 5444238), (345, 5365336), (391, 4734120), (408, 4536865), (460, 4024002), (510, 3629492), (552, 3353335), (680, 2722119), (690, 2682668), (782, 2367060), (920, 2012001), (1020, 1814746), (1173, 1578040), (1380, 1341334), (1564, 1183530), (1955, 946824), (2040, 907373), (2346, 789020), (2760, 670667), (3128, 591765), (3910, 473412), (4692, 394510), (5865, 315608), (7820, 236706), (9384, 197255), (11730, 157804), (15640, 118353), (23460, 78902), (39451, 46920)]