79799880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{997}}^1$

素因数の和:1063

約数の個数: 128

約数和(自身を含む): 258681600

約数和(自身を除く): 178881720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 29, 30, 40, 46, 58, 60, 69, 87, 92, 115, 116, 120, 138, 145, 174, 184, 230, 232, 276, 290, 345, 348, 435, 460, 552, 580, 667, 690, 696, 870, 920, 997, 1160, 1334, 1380, 1740, 1994, 2001, 2668, 2760, 2991, 3335, 3480, 3988, 4002, 4985, 5336, 5982, 6670, 7976, 8004, 9970, 10005, 11964, 13340, 14955, 16008, 19940, 20010, 22931, 23928, 26680, 28913, 29910, 39880, 40020, 45862, 57826, 59820, 68793, 80040, 86739, 91724, 114655, 115652, 119640, 137586, 144565, 173478, 183448, 229310, 231304, 275172, 289130, 343965, 346956, 433695, 458620, 550344, 578260, 664999, 687930, 693912, 867390, 917240, 1156520, 1329998, 1375860, 1734780, 1994997, 2659996, 2751720, 3324995, 3469560, 3989994, 5319992, 6649990, 7979988, 9974985, 13299980, 15959976, 19949970, 26599960, 39899940, 79799880]

約数ペア:

[(1, 79799880), (2, 39899940), (3, 26599960), (4, 19949970), (5, 15959976), (6, 13299980), (8, 9974985), (10, 7979988), (12, 6649990), (15, 5319992), (20, 3989994), (23, 3469560), (24, 3324995), (29, 2751720), (30, 2659996), (40, 1994997), (46, 1734780), (58, 1375860), (60, 1329998), (69, 1156520), (87, 917240), (92, 867390), (115, 693912), (116, 687930), (120, 664999), (138, 578260), (145, 550344), (174, 458620), (184, 433695), (230, 346956), (232, 343965), (276, 289130), (290, 275172), (345, 231304), (348, 229310), (435, 183448), (460, 173478), (552, 144565), (580, 137586), (667, 119640), (690, 115652), (696, 114655), (870, 91724), (920, 86739), (997, 80040), (1160, 68793), (1334, 59820), (1380, 57826), (1740, 45862), (1994, 40020), (2001, 39880), (2668, 29910), (2760, 28913), (2991, 26680), (3335, 23928), (3480, 22931), (3988, 20010), (4002, 19940), (4985, 16008), (5336, 14955), (5982, 13340), (6670, 11964), (7976, 10005), (8004, 9970)]