72904860

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{2143}}^1$

素因数の和:2174

約数の個数: 144

約数和(自身を含む): 262219776

約数和(自身を除く): 189314916

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 756, 810, 945, 972, 1134, 1215, 1260, 1620, 1701, 1890, 2143, 2268, 2430, 2835, 3402, 3780, 4286, 4860, 5670, 6429, 6804, 8505, 8572, 10715, 11340, 12858, 15001, 17010, 19287, 21430, 25716, 30002, 32145, 34020, 38574, 42860, 45003, 57861, 60004, 64290, 75005, 77148, 90006, 96435, 115722, 128580, 135009, 150010, 173583, 180012, 192870, 225015, 231444, 270018, 289305, 300020, 347166, 385740, 405027, 450030, 520749, 540036, 578610, 675045, 694332, 810054, 867915, 900060, 1041498, 1157220, 1215081, 1350090, 1620108, 1735830, 2025135, 2082996, 2430162, 2603745, 2700180, 3471660, 3645243, 4050270, 4860324, 5207490, 6075405, 7290486, 8100540, 10414980, 12150810, 14580972, 18226215, 24301620, 36452430, 72904860]

約数ペア:

[(1, 72904860), (2, 36452430), (3, 24301620), (4, 18226215), (5, 14580972), (6, 12150810), (7, 10414980), (9, 8100540), (10, 7290486), (12, 6075405), (14, 5207490), (15, 4860324), (18, 4050270), (20, 3645243), (21, 3471660), (27, 2700180), (28, 2603745), (30, 2430162), (35, 2082996), (36, 2025135), (42, 1735830), (45, 1620108), (54, 1350090), (60, 1215081), (63, 1157220), (70, 1041498), (81, 900060), (84, 867915), (90, 810054), (105, 694332), (108, 675045), (126, 578610), (135, 540036), (140, 520749), (162, 450030), (180, 405027), (189, 385740), (210, 347166), (243, 300020), (252, 289305), (270, 270018), (315, 231444), (324, 225015), (378, 192870), (405, 180012), (420, 173583), (486, 150010), (540, 135009), (567, 128580), (630, 115722), (756, 96435), (810, 90006), (945, 77148), (972, 75005), (1134, 64290), (1215, 60004), (1260, 57861), (1620, 45003), (1701, 42860), (1890, 38574), (2143, 34020), (2268, 32145), (2430, 30002), (2835, 25716), (3402, 21430), (3780, 19287), (4286, 17010), (4860, 15001), (5670, 12858), (6429, 11340), (6804, 10715), (8505, 8572)]