28165980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{797}}^1$

素因数の和:859

約数の個数: 96

約数和(自身を含む): 85800960

約数和(自身を除く): 57634980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 60, 62, 76, 93, 95, 114, 124, 155, 186, 190, 228, 285, 310, 372, 380, 465, 570, 589, 620, 797, 930, 1140, 1178, 1594, 1767, 1860, 2356, 2391, 2945, 3188, 3534, 3985, 4782, 5890, 7068, 7970, 8835, 9564, 11780, 11955, 15143, 15940, 17670, 23910, 24707, 30286, 35340, 45429, 47820, 49414, 60572, 74121, 75715, 90858, 98828, 123535, 148242, 151430, 181716, 227145, 247070, 296484, 302860, 370605, 454290, 469433, 494140, 741210, 908580, 938866, 1408299, 1482420, 1877732, 2347165, 2816598, 4694330, 5633196, 7041495, 9388660, 14082990, 28165980]

約数ペア:

[(1, 28165980), (2, 14082990), (3, 9388660), (4, 7041495), (5, 5633196), (6, 4694330), (10, 2816598), (12, 2347165), (15, 1877732), (19, 1482420), (20, 1408299), (30, 938866), (31, 908580), (38, 741210), (57, 494140), (60, 469433), (62, 454290), (76, 370605), (93, 302860), (95, 296484), (114, 247070), (124, 227145), (155, 181716), (186, 151430), (190, 148242), (228, 123535), (285, 98828), (310, 90858), (372, 75715), (380, 74121), (465, 60572), (570, 49414), (589, 47820), (620, 45429), (797, 35340), (930, 30286), (1140, 24707), (1178, 23910), (1594, 17670), (1767, 15940), (1860, 15143), (2356, 11955), (2391, 11780), (2945, 9564), (3188, 8835), (3534, 7970), (3985, 7068), (4782, 5890)]