72998280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:540

約数の個数: 128

約数和(自身を含む): 245203200

約数和(自身を除く): 172204920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 257, 263, 270, 360, 514, 526, 540, 771, 789, 1028, 1052, 1080, 1285, 1315, 1542, 1578, 2056, 2104, 2313, 2367, 2570, 2630, 3084, 3156, 3855, 3945, 4626, 4734, 5140, 5260, 6168, 6312, 6939, 7101, 7710, 7890, 9252, 9468, 10280, 10520, 11565, 11835, 13878, 14202, 15420, 15780, 18504, 18936, 23130, 23670, 27756, 28404, 30840, 31560, 34695, 35505, 46260, 47340, 55512, 56808, 67591, 69390, 71010, 92520, 94680, 135182, 138780, 142020, 202773, 270364, 277560, 284040, 337955, 405546, 540728, 608319, 675910, 811092, 1013865, 1216638, 1351820, 1622184, 1824957, 2027730, 2433276, 2703640, 3041595, 3649914, 4055460, 4866552, 6083190, 7299828, 8110920, 9124785, 12166380, 14599656, 18249570, 24332760, 36499140, 72998280]

約数ペア:

[(1, 72998280), (2, 36499140), (3, 24332760), (4, 18249570), (5, 14599656), (6, 12166380), (8, 9124785), (9, 8110920), (10, 7299828), (12, 6083190), (15, 4866552), (18, 4055460), (20, 3649914), (24, 3041595), (27, 2703640), (30, 2433276), (36, 2027730), (40, 1824957), (45, 1622184), (54, 1351820), (60, 1216638), (72, 1013865), (90, 811092), (108, 675910), (120, 608319), (135, 540728), (180, 405546), (216, 337955), (257, 284040), (263, 277560), (270, 270364), (360, 202773), (514, 142020), (526, 138780), (540, 135182), (771, 94680), (789, 92520), (1028, 71010), (1052, 69390), (1080, 67591), (1285, 56808), (1315, 55512), (1542, 47340), (1578, 46260), (2056, 35505), (2104, 34695), (2313, 31560), (2367, 30840), (2570, 28404), (2630, 27756), (3084, 23670), (3156, 23130), (3855, 18936), (3945, 18504), (4626, 15780), (4734, 15420), (5140, 14202), (5260, 13878), (6168, 11835), (6312, 11565), (6939, 10520), (7101, 10280), (7710, 9468), (7890, 9252)]