78857730

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:273

約数の個数: 192

約数和(自身を含む): 256089600

約数和(自身を除く): 177231870

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 30, 34, 35, 37, 42, 45, 51, 63, 70, 74, 85, 90, 102, 105, 111, 119, 126, 153, 170, 185, 199, 210, 222, 238, 255, 259, 306, 315, 333, 357, 370, 398, 510, 518, 555, 595, 597, 629, 630, 666, 714, 765, 777, 995, 1071, 1110, 1190, 1194, 1258, 1295, 1393, 1530, 1554, 1665, 1785, 1791, 1887, 1990, 2142, 2331, 2590, 2786, 2985, 3145, 3330, 3383, 3570, 3582, 3774, 3885, 4179, 4403, 4662, 5355, 5661, 5970, 6290, 6766, 6965, 7363, 7770, 8358, 8806, 8955, 9435, 10149, 10710, 11322, 11655, 12537, 13209, 13930, 14726, 16915, 17910, 18870, 20298, 20895, 22015, 22089, 23310, 23681, 25074, 26418, 28305, 30447, 33830, 36815, 39627, 41790, 44030, 44178, 47362, 50745, 51541, 56610, 60894, 62685, 66045, 66267, 71043, 73630, 79254, 101490, 103082, 110445, 118405, 125171, 125370, 132090, 132534, 142086, 152235, 154623, 198135, 213129, 220890, 236810, 250342, 257705, 304470, 309246, 331335, 355215, 375513, 396270, 426258, 463869, 515410, 625855, 662670, 710430, 751026, 773115, 876197, 927738, 1065645, 1126539, 1251710, 1546230, 1752394, 1877565, 2131290, 2253078, 2319345, 2628591, 3755130, 4380985, 4638690, 5257182, 5632695, 7885773, 8761970, 11265390, 13142955, 15771546, 26285910, 39428865, 78857730]

約数ペア:

[(1, 78857730), (2, 39428865), (3, 26285910), (5, 15771546), (6, 13142955), (7, 11265390), (9, 8761970), (10, 7885773), (14, 5632695), (15, 5257182), (17, 4638690), (18, 4380985), (21, 3755130), (30, 2628591), (34, 2319345), (35, 2253078), (37, 2131290), (42, 1877565), (45, 1752394), (51, 1546230), (63, 1251710), (70, 1126539), (74, 1065645), (85, 927738), (90, 876197), (102, 773115), (105, 751026), (111, 710430), (119, 662670), (126, 625855), (153, 515410), (170, 463869), (185, 426258), (199, 396270), (210, 375513), (222, 355215), (238, 331335), (255, 309246), (259, 304470), (306, 257705), (315, 250342), (333, 236810), (357, 220890), (370, 213129), (398, 198135), (510, 154623), (518, 152235), (555, 142086), (595, 132534), (597, 132090), (629, 125370), (630, 125171), (666, 118405), (714, 110445), (765, 103082), (777, 101490), (995, 79254), (1071, 73630), (1110, 71043), (1190, 66267), (1194, 66045), (1258, 62685), (1295, 60894), (1393, 56610), (1530, 51541), (1554, 50745), (1665, 47362), (1785, 44178), (1791, 44030), (1887, 41790), (1990, 39627), (2142, 36815), (2331, 33830), (2590, 30447), (2786, 28305), (2985, 26418), (3145, 25074), (3330, 23681), (3383, 23310), (3570, 22089), (3582, 22015), (3774, 20895), (3885, 20298), (4179, 18870), (4403, 17910), (4662, 16915), (5355, 14726), (5661, 13930), (5970, 13209), (6290, 12537), (6766, 11655), (6965, 11322), (7363, 10710), (7770, 10149), (8358, 9435), (8806, 8955)]