31503732640

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{331}}^1\times {\mathrm{619}}^1$

素因数の和:1027

約数の個数: 144

約数和(自身を含む): 77262867360

約数和(自身を除く): 45759134720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 331, 496, 619, 620, 662, 961, 992, 1238, 1240, 1324, 1655, 1922, 2476, 2480, 2648, 3095, 3310, 3844, 4805, 4952, 4960, 5296, 6190, 6620, 7688, 9610, 9904, 10261, 10592, 12380, 13240, 15376, 19189, 19220, 19808, 20522, 24760, 26480, 30752, 38378, 38440, 41044, 49520, 51305, 52960, 76756, 76880, 82088, 95945, 99040, 102610, 153512, 153760, 164176, 191890, 204889, 205220, 307024, 318091, 328352, 383780, 409778, 410440, 594859, 614048, 636182, 767560, 819556, 820880, 1024445, 1189718, 1272364, 1535120, 1590455, 1639112, 1641760, 2048890, 2379436, 2544728, 2974295, 3070240, 3180910, 3278224, 4097780, 4758872, 5089456, 5948590, 6351559, 6361820, 6556448, 8195560, 9517744, 10178912, 11897180, 12703118, 12723640, 16391120, 19035488, 23794360, 25406236, 25447280, 31757795, 32782240, 47588720, 50812472, 50894560, 63515590, 95177440, 101624944, 127031180, 196898329, 203249888, 254062360, 393796658, 508124720, 787593316, 984491645, 1016249440, 1575186632, 1968983290, 3150373264, 3937966580, 6300746528, 7875933160, 15751866320, 31503732640]

約数ペア:

[(1, 31503732640), (2, 15751866320), (4, 7875933160), (5, 6300746528), (8, 3937966580), (10, 3150373264), (16, 1968983290), (20, 1575186632), (31, 1016249440), (32, 984491645), (40, 787593316), (62, 508124720), (80, 393796658), (124, 254062360), (155, 203249888), (160, 196898329), (248, 127031180), (310, 101624944), (331, 95177440), (496, 63515590), (619, 50894560), (620, 50812472), (662, 47588720), (961, 32782240), (992, 31757795), (1238, 25447280), (1240, 25406236), (1324, 23794360), (1655, 19035488), (1922, 16391120), (2476, 12723640), (2480, 12703118), (2648, 11897180), (3095, 10178912), (3310, 9517744), (3844, 8195560), (4805, 6556448), (4952, 6361820), (4960, 6351559), (5296, 5948590), (6190, 5089456), (6620, 4758872), (7688, 4097780), (9610, 3278224), (9904, 3180910), (10261, 3070240), (10592, 2974295), (12380, 2544728), (13240, 2379436), (15376, 2048890), (19189, 1641760), (19220, 1639112), (19808, 1590455), (20522, 1535120), (24760, 1272364), (26480, 1189718), (30752, 1024445), (38378, 820880), (38440, 819556), (41044, 767560), (49520, 636182), (51305, 614048), (52960, 594859), (76756, 410440), (76880, 409778), (82088, 383780), (95945, 328352), (99040, 318091), (102610, 307024), (153512, 205220), (153760, 204889), (164176, 191890)]