198519840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1549}}^1$

素因数の和:1659

約数の個数: 144

約数和(自身を含む): 685503000

約数和(自身を除く): 486983160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 89, 90, 96, 120, 144, 160, 178, 180, 240, 267, 288, 356, 360, 445, 480, 534, 712, 720, 801, 890, 1068, 1335, 1424, 1440, 1549, 1602, 1780, 2136, 2670, 2848, 3098, 3204, 3560, 4005, 4272, 4647, 5340, 6196, 6408, 7120, 7745, 8010, 8544, 9294, 10680, 12392, 12816, 13941, 14240, 15490, 16020, 18588, 21360, 23235, 24784, 25632, 27882, 30980, 32040, 37176, 42720, 46470, 49568, 55764, 61960, 64080, 69705, 74352, 92940, 111528, 123920, 128160, 137861, 139410, 148704, 185880, 223056, 247840, 275722, 278820, 371760, 413583, 446112, 551444, 557640, 689305, 743520, 827166, 1102888, 1115280, 1240749, 1378610, 1654332, 2067915, 2205776, 2230560, 2481498, 2757220, 3308664, 4135830, 4411552, 4962996, 5514440, 6203745, 6617328, 8271660, 9925992, 11028880, 12407490, 13234656, 16543320, 19851984, 22057760, 24814980, 33086640, 39703968, 49629960, 66173280, 99259920, 198519840]

約数ペア:

[(1, 198519840), (2, 99259920), (3, 66173280), (4, 49629960), (5, 39703968), (6, 33086640), (8, 24814980), (9, 22057760), (10, 19851984), (12, 16543320), (15, 13234656), (16, 12407490), (18, 11028880), (20, 9925992), (24, 8271660), (30, 6617328), (32, 6203745), (36, 5514440), (40, 4962996), (45, 4411552), (48, 4135830), (60, 3308664), (72, 2757220), (80, 2481498), (89, 2230560), (90, 2205776), (96, 2067915), (120, 1654332), (144, 1378610), (160, 1240749), (178, 1115280), (180, 1102888), (240, 827166), (267, 743520), (288, 689305), (356, 557640), (360, 551444), (445, 446112), (480, 413583), (534, 371760), (712, 278820), (720, 275722), (801, 247840), (890, 223056), (1068, 185880), (1335, 148704), (1424, 139410), (1440, 137861), (1549, 128160), (1602, 123920), (1780, 111528), (2136, 92940), (2670, 74352), (2848, 69705), (3098, 64080), (3204, 61960), (3560, 55764), (4005, 49568), (4272, 46470), (4647, 42720), (5340, 37176), (6196, 32040), (6408, 30980), (7120, 27882), (7745, 25632), (8010, 24784), (8544, 23235), (9294, 21360), (10680, 18588), (12392, 16020), (12816, 15490), (13941, 14240)]