180717990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:282

約数の個数: 128

約数和(自身を含む): 482433408

約数和(自身を除く): 301715418

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 37, 51, 61, 74, 85, 102, 111, 122, 157, 170, 183, 185, 222, 255, 305, 314, 366, 370, 471, 510, 555, 610, 629, 785, 915, 942, 1037, 1110, 1258, 1570, 1830, 1887, 2074, 2257, 2355, 2669, 3111, 3145, 3774, 4514, 4710, 5185, 5338, 5809, 6222, 6290, 6771, 8007, 9435, 9577, 10370, 11285, 11618, 13345, 13542, 15555, 16014, 17427, 18870, 19154, 22570, 26690, 28731, 29045, 31110, 33855, 34854, 38369, 40035, 47885, 57462, 58090, 67710, 76738, 80070, 87135, 95770, 98753, 115107, 143655, 162809, 174270, 191845, 197506, 230214, 287310, 296259, 325618, 354349, 383690, 488427, 493765, 575535, 592518, 708698, 814045, 976854, 987530, 1063047, 1151070, 1481295, 1628090, 1771745, 2126094, 2442135, 2962590, 3543490, 4884270, 5315235, 6023933, 10630470, 12047866, 18071799, 30119665, 36143598, 60239330, 90358995, 180717990]

約数ペア:

[(1, 180717990), (2, 90358995), (3, 60239330), (5, 36143598), (6, 30119665), (10, 18071799), (15, 12047866), (17, 10630470), (30, 6023933), (34, 5315235), (37, 4884270), (51, 3543490), (61, 2962590), (74, 2442135), (85, 2126094), (102, 1771745), (111, 1628090), (122, 1481295), (157, 1151070), (170, 1063047), (183, 987530), (185, 976854), (222, 814045), (255, 708698), (305, 592518), (314, 575535), (366, 493765), (370, 488427), (471, 383690), (510, 354349), (555, 325618), (610, 296259), (629, 287310), (785, 230214), (915, 197506), (942, 191845), (1037, 174270), (1110, 162809), (1258, 143655), (1570, 115107), (1830, 98753), (1887, 95770), (2074, 87135), (2257, 80070), (2355, 76738), (2669, 67710), (3111, 58090), (3145, 57462), (3774, 47885), (4514, 40035), (4710, 38369), (5185, 34854), (5338, 33855), (5809, 31110), (6222, 29045), (6290, 28731), (6771, 26690), (8007, 22570), (9435, 19154), (9577, 18870), (10370, 17427), (11285, 16014), (11618, 15555), (13345, 13542)]